TY  - RPRT
TI  - System 9. GSMAP, and other programs for the IBM PC and compatible microcomputers, to assist workers in the earth sciences
AU  - G.I. Selner
AU  - R. B. Taylor
PY  - 1993
DO  - 10.3133/ofr93511
UR  - https://pubs.usgs.gov/publication/ofr93511
ID  - ofr93511
ER  -