Geophysical abstracts 88-91, January-December 1937 /
Ayvazoglou, W.
Washington, D.C. : U.S. G.P.O.,
1938.
Geophysical Abstracts 88, January-March 1937 (nos. 3525-3656)--- Geophysical Abstracts 89, April-June 1937 (nos. 3657-3797)---Geophysical Abstracts 90, July-September 1937 (nos. 3798-3933)---Geophysical Abstracts 91, October-December 1937 (nos. 3934-4103)
Geophysics.