Guide to international data exchange through the World Data Centres ( for the period 1960-onwards) - International Council of Scientific Unions (London : Comite International de Geophysique through the IQSY Sec retariat, 1964)
Keywords: Geophysics -- International cooperation -- Handbooks, manuals, etc. -- Information services -- Handbooks, manuals, etc; Geophysics -- Handbooks, manuals, etc. -- Handbooks, manuals, etc. -- Information services -- Handbooks, manuals, etc