TY - BOOK AU - Alldredge, L. R. ED - International association of geomagnetism and aeronomy TI - Program and abstracts for the XV IUGG General assembly, Moscow, 1971 PY - 1971/// CY - M. PB - "Nauka" KW - Москва KW - Д2е(0)л51 KW - rubbk ER -