TY  - BOOK
AU  - Heiskanen, Weikko Aleksanteri
AU  - Vening Meinesz, F. A.
TI  - THE EARTH AND ITS GRAVITY FIELD
U1  - 538.7 
PY  - 1958///
CY  - N. Y.
PB  - Mcgraw-Hill
KW  - Magnetism, Terrestrial
KW  - Earth
ER  -