TY  - BOOK
AU  - Beynon, W. J. G.
ED  - British National Committee for the International Geo-physical Year.
TI  - Guide to I.G. Y: International Geo-physical Year 1957-8. 
U1  - P 551 B75 
PY  - 1957///
CY  - London
PB  - Methuen
KW  - International Geophysical Year, 1957-1958
ER  -