TY  - RPRT
TI  - Geophysical abstracts, 88-91, January-December 1937. Geophysical abstracts 88, January-March 1937
AU  - W. Ayvazoglou
PY  - 1937
DO  - 10.3133/b895a
UR  - https://pubs.usgs.gov/publication/b895A
ID  - b895A
ER  -