714   C. Fröhlich, R.M. Bonnet, A.V. Bruns, J.P. Delaboudinière, V.Domingo, V.A.Kotov, Z.Kollath, D.N.Rashkovsky, T.Toutain, J.C.Vial, Ch.Wehrli: IPHIR on the PHOBOS Mission, A Solar Irradiance Experiment for Helioseismology. Proceedings "IV International Seminar", Frunze, (Sept. 18.-24, 1989), ed. V.M.Balebanov (Academy of Sciences of the USSR Space Research Institute, Moskva, 1991), VII, pp. 185-197

715   C. Fröhlich: Search for g-Modes in the IPHIR Data in "Progress of Seismology of the Sun and Stars", eds. Y.Osaki, H.Sibahashi (Lecture Notes in Physics 367, Springer, Berlin 1991), pp. 221- 226

716   C. Fröhlich, T. Toutain: P-Mode Analysis of the IPHIR Data in "Progress of Seismology of the Sun and Stars", eds. Y.Osaki, H.Sibahashi (Lecture Notes in Physics 367, Springer, Berlin 1991), pp. 215-220

717   C. Fröhlich: Accuracy and Application of Solar Radiometry, in Proceedings "Messtechnik in der Photovoltaik", PTB-Seminar 1988, (Physikalisch-Technische Bundesanstalt, Braunschweig, 1991)

718   C. Fröhlich: Irradiance Variability of the Sun, in "Climate Impact of the Solar Variability", eds. K.H.Schatten, A.Arking (NASA Conference Publication 3086), pp. 269-277

719   C. Fröhlich, T. Toutain, C.J .Schrijver: Helioseismology with the IPHIR Instrument on the U.S.S.R. PHOBOS Mission, in "Advances in Space Research 11", (COSPAR 1991), pp. (4)71-(4)76

720   T. Toutain, C. Fröhlich: Line Shape and Temporal Variation of P-Modes from IPHIR Data, in "Advances in Space Research 11", (COSPAR 1991), pp. (4)213-(4)216

721   C. Fröhlich: Variability of the Solar Irradiance and Luminosity, in Proceeding "7th Quadrennial Symposium on STP, (COSPAR 1990), J. Geomag. Geoelec., (1991)

722   C.J. Schrijver, A. Jimenez, V. Domingo, C. Fröhlich: Phase Difference between Irradiance and Velocity in Low Degree Solar P-Modes, in "Advances in Space Research 11", (COSPAR 1991), pp. (4)77-(4)80

723   C. Fröhlich: History of Solar Radiometry and the World Radiometric Reference, "Metrologia (1991)", Volume 28, Issue 3

724   J. Romero, N.P. Fox, C. Fröhlich: First Comparison of the Solar and SI Radiometric Scale, "Metrologia", Volume 28, Issue 3, 1991

725   Ch. Wehrli and C. Fröhlich: Solar Spectral Irradiance Measurements at 368 nm, 500 nm and 778 nm, Metrologia, 28, pp. 285-289, 1991
 
728   Ch. Wehrli, C. Fröhlich: Solar and cryogenic radiometric scales: A preliminary comparison, IPC VII Part 3, 65, 1991  

729   J. Romero, N. P. Fox, C. Fröhlich: Sunphotometer calibration and results, IPC VII Part 3, 73-74, 1991  

730   C. Fröhlich.: Solar Irradiance Variability, "Workshop Solers22" (Boulder, Juni 1991)

731   Ch. Wehrli: Solar Spectral Irradiance Measurements with Sunphotometers, preprint of Proceedings of the Workshop on the Solar Electromagnetic Radiation Study for Solar Cycle 22, ed. R.F. Donnelly, NOAA/ERL/SEL (Boulder, Colorado, 1992), in press

732   J. M. Pap, C. Fröhlich: Multi-variate spectral analysis of short-term irradiance veriations, Workshop on the Solar Electromagnetic Radiation Study for Solar Cycle 22, Boulder, Colorado, 62-73, 1992  

733   J. M. Pap, Ch. Wehrli: Working group 1 research activities report on SOLERS22 1991 Workshop, Workshop on the Solar Electromagnetic Radiation Study for Solar Cycle 22, Boulder, Colorado, 90-105, 1992  

734   Th. Toutain and C. Fröhlich: Characteristics of solar p-modes: Results from the IPHIR experiment, "Astronomy and Astrophysics (3.12.1991)"

735   Th. Toutain, C. Fröhlich and Ph. Goode: Rotation of the Sun's Core, Workshop on the Solar Cycle, the 13th Sacramento Peak Summer Workshop, Sacramento Peak (1991)

736   Jahresbericht PMOD/WRC, 1991

737   C. Fröhlich and Th. Toutain: Results from IPHIR as Guideline for Asteroseismology

738   C. Fröhlich: Changes of Total Solar Irradiance, in Interactions between Global Climate Subsystems, The Legacy of Hann, Geophysical Monograph 75: IUGG 15, AGU, Washington, pp. 123-129

739   C. Fröhlich: Relationship between Solar Activity and Luminosity, in "COSPAR World Space Congress" (Washington, 1992), Adv. Space Res. Vol. 13, No. 9, pp. 429-437, 1993

740   Jahresbericht PMOD/WRC, 1992

741   D. Crommelynck, V. Domingo, C. Fröhlich, J. Romero, Ch. Wehrli, A. Fichot and B. Penelle: Preliminary Results from the SOVA Experiment on Board the European Retrievable Carrier (EURECA), Metrologia, 30, pp. 375-379, 1993

742   C. Fröhlich: Wie und warum verändert sich die Strahlung der Sonne, Schweizerischer Nationalfonds, info2, 1993

743   C. Fröhlich, J. Pap and H.S. Hudson: Improvement of the Photometric Sunspot Index and Changes of the Disk-Integrated Sunspot Contrast with Time, Solar Physics, 152, pp. 111-118, 1994

744   J. Romero, Ch. Wehrli and C. Fröhlich: Solar Total Irradiance Variability from SOVA-2 on Board EURECA, Solar Physics, 152, pp. 23-29, 1994

745   C. Fröhlich: Irradiance Observations of the Sun, in The Sun as a Variable Star: Solar and Stellar Irradiance Variations, eds. J.M. Pap, C. Fröhlich, H.S.  Hudson and S.K.  Solanki, Cambridge University Press, Cambridge, pp. 28-36, 1994

746   J.M. Pap, R.C. Willson, C.  Fröhlich and R.F. Donnelly: Long-Term Variations in Total Solar Irradiance, Solar Physics, 152, pp. 13-21, 1994

747   C. Fröhlich: Themenkreis Strahlung, Meteorologische Strahlungsmessungen: Methoden, Genauigkeit und Repräsentativität, in GAW-Schweiz, SMA/BUWAL Publ., im Druck, 1994
 
748   Jahresbericht PMOD/WRC, 1993

749   C. Fröhlich: Sonnenstrahlung an der Erdoberfläche: wie und warum verändert sie sich? Der Mensch im Strahlungsfeld der Sonne, Hrsg. C. Fröhlich, Forum Davos, 1994

750   D. Schöne, S. Borelli, F. Rippke, N. Marjanovic and R. Philipona: Hochwirksames Lichtschutzmittel für Kinder - Stellenwert bei Neurodermitis consitutionalis atopica, Z. Hautkr., 69, 308-313, 1994

751   C. Fröhlich, R. Philipona, J. Romero and Ch. Wehrli: Radiometry at PMOD/WRC in Davos, Optical Engineering., 34, 9, 1995

752   C. Fröhlich, J. Romero, H. Roth, Ch. Wehrli, B.N. Andersen, Th. Appourchaux,V. Domingo, U. Telljohann, G. Berthomieu, Ph. Delache, J. Provost, Th. Toutain, D.A. Crommelynck, A. Fichot, A. Chevalier, W. Däppen, D.O. Gough, T. Hoeksema, A. Jiménez, M.F. Gómez, J.M. Herreros, T. Roca Cortés, A.R. Jones, J.M. Pap and R.C. Willson: VIRGO: Experiment for Helioseismology and Solar Irradiance Monitoring, Sol. Physics,  162, 101-128, 1995

753   R. Philipona, C. Fröhlich and Ch. Betz: Characterization of pyrgeometers and the accuracy of atmospheric long-wave radiation Measurements, Appl. Opt., 34, 1598-1605, 1995

754   R. Philipona: A new approach improving calibration and field measurement precision of Eppley PIR pyrgeometers, TECO '94, WMO/TD-No. 588, Geneva, 1994

755   Ch. Wehrli, C. Fröhlich and J. Romero: Results of solar spectral irradiance by SOVA-2 on EURECA, Advanced Space Research, 16:8, 25-28, 1995
756   J. Romero, N. Fox and C. Fröhlich: Improved Intercomparison of the World Radiometric Reference and the SI Radiometric Scale, Metrologia, 32, 523 - 524, 1995/96

757   B. Schmid and Ch. Wehrli: Comparison of sunphotometer calibration by Langley technique and standard lamp, Appl. Opt., 34, 21, 1995

758   Ch. Wehrli, C. Fröhlich and J. Romero: The European Retrievable Carrier (EURECA) as an Observing Platform from User's Point of View, Adv. Space Res., 16:8, 51-54, 1995

759   C. Fröhlich: Variations in Total Solar Irridiance, Solar output and climate during Holocene, 125-130

760   Ch. Wehrli, C. Fröhlich and J. Romero: Space Degradation of SOVA Sunphotometers on EURECA, Metrologia, 1995, in press

761   D. Crommelynck, A. Fichot, R. B. Lee, J. Romero: First Realisation of the Space Absolute Radiometric Reference (SARR) during the Atlas 2 Flight Period, Adv. Space Res., 16, 817-823, 1995

762   Jahresbericht PMOD/WRC, 1994

763   C. Fröhlich: Beitrag über PMOD/WRC für Broschüre Davos Medizin, 1994

764   C. Fröhlich, B.N. Andersen: VIRGO: Experiment for Helioseismology and Solar Irradiance Monitoring, in 'Fourth SOHO Workshop: Helioseismology', eds. J.T. Hoeksema, V. Domingo, B. Fleck, B. Battrick, ESA-SP 376, Vol.1, pp. 83-95,  Noordwijk, 1995

765   C. Fröhlich, B.N. Andersen: Low Frequency Helioseismology, in 'Fourth SOHO Workshop: Helioseismology',  eds. J.T. Hoeksema, V. Domingo, B.Fleck, B.Battrick, ESA-SP 376, Vol.1, pp.137-144, Noordwijk, 1995 (PMOD Nr. 687).

766   Jahresbericht PMOD/WRC, 1995

767  International Pyrheliometer Comparison IPC VIII, Results and Symposium, Swiss Meteorological Institute, Working Report No.188, Davos & Zürich, 1996

768   A. Schuh, W. Kneist and R. Philipona: Heliotherapie im Hochgebirge mit einer quantifizierten Strahlendosis: Einfluss auf den Vitamin-D3-Spiegel im Serum von Psoriasispatienten, Phys Rehab Kur Med, 5, 21-24, 1995