1. Distribution of 222Rn and 210Po on the lunar surface as observed by the alpha particle spectrometer;Bjorkholm,1973
2. Natural lunar seismic events and the structure of the moon;Dainty,1975
3. Molecular flow of gases through lunar and terrestrial soils;Frisillo,1974
4. Magnetic evidence concerning a lunar core;Goldstein,1976
5. Spatial features and temporal variability in the emission of radon from the moon: An interpretation of results from the alpha particle spectrometer;Gorenstein,1973