TY  - RPRT
TI  - Geophysical abstract 186, July-September 1961
AU  - J. W. Clarke
AU  - D.B. Vitaliano
AU  - V.S. Neuschel
AU  - and others
PY  - 1961
DO  - 10.3133/b1146c
UR  - https://pubs.usgs.gov/publication/b1146C
ID  - b1146C
ER  -