TY  - RPRT
TI  - Geophysical abstracts 99, October-December 1939 (Nos. 5162 - 5298)
AU  - W. Ayzavoglou
PY  - 1940
DO  - 10.3133/b915d
UR  - https://pubs.usgs.gov/publication/b915D
ID  - b915D
ER  -