TY  - RPRT
TI  - GEOPLOT, an advanced graphics package for minicomputers; Part I, User's guide
AU  - P.L. Ward
PY  - 1983
DO  - 10.3133/ofr83807a
UR  - https://pubs.usgs.gov/publication/ofr83807A
ID  - ofr83807A
ER  -