Chapman, Sydney, 1888-1970.
IGY : year of discovery : the story of the International Geophysical Year / Sydney Chapman. - Ann Arbor, University of Michigan Press c1959. - 111 p. : ill. ; 29 cm.
59009733 /L/r89
GB59-15962
International Geophysical Year, 1957-1958.
QC801.3 / .C45
508.3 / CHI
IGY : year of discovery : the story of the International Geophysical Year / Sydney Chapman. - Ann Arbor, University of Michigan Press c1959. - 111 p. : ill. ; 29 cm.
59009733 /L/r89
GB59-15962
International Geophysical Year, 1957-1958.
QC801.3 / .C45
508.3 / CHI