TY - BOOK AU - Marov, M. J. AU - Alferov, A. M. ED - International council of scientific unions TI - Density variations in the upper atmosphere at 200-300 km heights PY - 1970///] CY - [L. KW - Санкт-Петербург KW - Гф3-668 KW - rubbk N2 - Библиогр.: с. 14 ER -