TY - RPRT TI - Lava flows in mare imbrium: An evaluation of anomalously low earth-based radar reflectivity AU - G. G. Schaber AU - T.W. Thompson AU - S.H. Zisk PY - 1975 DO - 10.1007/bf02626384 UR - https://pubs.usgs.gov/publication/70000771 ID - 70000771 ER -