TY  - RPRT
TI  - PCCONTUR VERSION 1.0 : a microcomputer general purpose contouring program, Part D - Plot system source code and library disk
AU  - Richard H. Godson
AU  - Robert E. Bracken
AU  - Michael W. Webring
PY  - 1988
DO  - 10.3133/ofr88593d
UR  - https://pubs.usgs.gov/publication/ofr88593D
ID  - ofr88593D
ER  -