TY  - RPRT
TI  - Geophysical abstracts 147, October-December 1951
AU  - M.C. Rabbitt
AU  - S.T. Vesselowsky
PY  - 1951
DO  - 10.3133/b981d
UR  - https://pubs.usgs.gov/publication/b981D
ID  - b981D
ER  -