IGY data of ionospheric absorption at Kokubunji, from 1 July 1957 to 31 December 1958. - Nihon Gakujutsu Kaigi. Kokusai Chikyu Kansoku Tokubetsu Iinkai; Aono, Yuichiro, 1915-; Yuseisho Denpa Kenkyujo (Japan) (Tokyo : National Committee for the International Geophysical Coor dination, Science Council of Japan, 1961)
"Compiled by the Editorial Committee: Y. Aono ... [and others] in th e Radio Research Laboratories, Ministry of Posts and telecommunications , Kokubunji, Tokyo."
Keywords: Ionospheric radio wave absorption -- Observations; International Geophysical Year, 1957-1958.