TY  - RPRT
TI  - Shaded relief and surface markings of the Perrine Quadrangle of Ganymede
AU  - Members of the Engineering Geology and Ground Water Branches, U.S. Geological Survey
PY  - 1988
DO  - 10.3133/i1890
UR  - https://pubs.usgs.gov/publication/i1890
ID  - i1890
ER  -