TY  - RPRT
TI  - About GSMAP and GSDRAW
AU  - R. B. Taylor
AU  - G.I. Selner
PY  - 1987
DO  - 10.3133/ofr87496e
UR  - https://pubs.usgs.gov/publication/ofr87496E
ID  - ofr87496E
ER  -