TY  - RPRT
TI  - Geophysical abstracts 139, October-December 1949
AU  - M.C. Rabbitt
AU  - V.L. Skitsky
AU  - S.T. Vesselowsky
PY  - 1949
DO  - 10.3133/b966d
UR  - https://pubs.usgs.gov/publication/b966D
ID  - b966D
ER  -