TY  - RPRT
TI  - Basin-ring spacing on the Moon, Mercury, and Mars
AU  - R.J. Pike
AU  - P. D. Spudis
PY  - 1987
DO  - 10.1007/bf00054060
UR  - https://pubs.usgs.gov/publication/70014227
ID  - 70014227
ER  -