1. Indigenous lunar methane and ethane;Abell;Nature,1970
2. Mass spectrometric analysis of the volatiles released by heating or crushing rocks;Barker;A.S.T.M. Publication STP 539,1973
3. Light hydrocarbon gases, C18 and origin of organic matter in carbonaceous chondrites;Belsky;Geochim. Cosmochim. Acta,1970
4. Some surface characteristics and gas interactions of Apollo 14 fines and rock fragments;Cadenhead,1972
5. The carbon chemistry of the moon;Eglinton;Sci. Amer.,1972