TY  - RPRT
TI  - Geophysical abstracts, 92-95, January-December 1938. Geophysical abstracts 92, January-March 1938
AU  - W. Ayvazoglou
PY  - 1938
DO  - 10.3133/b909a
UR  - https://pubs.usgs.gov/publication/b909A
ID  - b909A
ER  -