Malin, M. C. (1976). "Observations of intercrater plains on Mercury". Geophysical Research Letters. 3 (10): 581–584. Bibcode:1976GeoRL...3..581M. doi:10.1029/GL003i010p00581.
Malin, M. C. (1976). "Observations of intercrater plains on Mercury". Geophysical Research Letters. 3 (10): 581–584. Bibcode:1976GeoRL...3..581M. doi:10.1029/GL003i010p00581.