TY  - RPRT
TI  - Controlled photomosaic of the Askr quadrangle of Callisto (Jc-5)
AU  - U.S. Planetary Geology Program
PY  - 1990
DO  - 10.3133/i2067
UR  - https://pubs.usgs.gov/publication/i2067
ID  - i2067
ER  -