TY  - RPRT
TI  - Geophysical abstracts 168, January-March 1957
AU  - M.C. Rabbitt
AU  - D.B. Vitaliano
AU  - S.T. Vesselowsky
AU  - and others
PY  - 1957
DO  - 10.3133/b1066a
UR  - https://pubs.usgs.gov/publication/b1066A
ID  - b1066A
ER  -