Cosmic-ray intensity during the Post International Geophysical Cooperation
Subtitle: bi-hourly neutron and meson intensity, January 1-December 31, 1959.
Contributors: Japan. Nihon Gakujutsu Kaigi. Kokusai Chikyū Kansoku Tokubetsu Iinkai. Taiyō Chikyūkan Butsurigaku Bunkakai.
Publisher: National Committee for the International Geophysical Coordination, Science Council of Japan
Published: 1963
Place of publication: Tokyo
Language: eng