@article{DAN_1970_191_5_a20, author = {K. Ya. Kondrat'ev and A. P. Galtsev and O. I. Smoktiy and E. V. Khrunov}, title = {Calorimetry of twilight sky based on horizon spectra obtained from the spacecraft {{\textquotedblleft}Soyuz-5{\textquotedblright}}}, journal = {Doklady Akademii Nauk}, pages = {1044--1047}, year = {1970}, volume = {191}, number = {5}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/DAN_1970_191_5_a20/} }