TY  - RPRT
TI  - Geologic map of the Perrine (Jg-2) and Nun Sulci (Jg-5) quadrangles of Ganymede
AU  - G.E. McGill
AU  - S. W. Squyres
AU  - S.J. Uzman
PY  - 1997
DO  - 10.3133/i2459
UR  - https://pubs.usgs.gov/publication/i2459
ID  - i2459
ER  -