TY - RPRT TI - Lunar Apennine-Hadley region: Geological implications of earth-based radar and infrared measurements AU - S.H. Zisk AU - M. H. Carr AU - H. Masursky AU - R.W. Shorthill AU - T.W. Thompson PY - 1971 DO - 10.1126/science.173.3999.808 UR - https://pubs.usgs.gov/publication/70010321 ID - 70010321 ER -