1. Thermal property measurements on lunar material returned by Apollo 11 and 12 missions;Horai,1972
2. Surface brightness temperatures of the Apollo 17 heat flow site: thermal conductivity of the upper 15 cm of regolith;Keihm,1973
3. Lunar microwave brightness temperature observations reevaluated in the light of Apollo program findings;Keihm;Icarus,1975
4. Revised lunar heat flow values;Langseth,1976