TY  - BOOK
AU  - Heiskanen, W A
AU  - Meinesz, Vening F A
TI  - Earth and its gravity field
CY  - New York
KW  - Earth -- Gravity field
KW  - Geodetic system -- World
KW  - Geological science
KW  - Geology
KW  - Gravity -- Earth
KW  - Gravity anomalies -- India
KW  - Gravity measurements
KW  - Measurements -- Gravity measurements
ER  -