TY  - RPRT
TI  - Preliminary documentation for a FORTRAN program to compute gravity terrain corrections based on topography digitized on a geographic grid
AU  - Donald Plouff
PY  - 1977
DO  - 10.3133/ofr77535
UR  - https://pubs.usgs.gov/publication/ofr77535
ID  - ofr77535
ER  -