TY  - RPRT
TI  - Controlled photomosaic of the Asgard quadrangle of Callisto (Jc-3)
AU  - U.S. Planetary Geology Program
PY  - 1990
DO  - 10.3133/i1888
UR  - https://pubs.usgs.gov/publication/i1888
ID  - i1888
ER  -