Chapman, Sydney, 1888-1970.
Geomagnetism, - Oxford, The Clarendon press, 1940. - 2 v. illus., ports, charts (1 double) tables, diagrs. (1 fold.) 25 cm.
41016425
Geomagnetism.
QC815 / .C52
Geomagnetism, - Oxford, The Clarendon press, 1940. - 2 v. illus., ports, charts (1 double) tables, diagrs. (1 fold.) 25 cm.
41016425
Geomagnetism.
QC815 / .C52