1. Irradiance observations from the EURECA and ATLAS experiments;Crommelynck,1994
2. Reviews of space observations of total solar irradiance;Fröhlich,1994
3. Long-Term Solar Irradiance Variability During Sunspot Cycle 22;Lee;Journal of Geophysical Research,1994
4. Fundamentals of absolute pyrheliometry and objective characterisation;Crommelynck,1981
5. Solar total irradiance variability from SOVA 2 on board EURECA;Romero;Solar Physics,1994