1. Platinum, gold and mercury in meteorites and natural materials by neutron activation analysis;Baedecker,1964
2. A revised table of abundances of the elements;Cameron;Astrophys. J.,1959
3. Abundances of heavy nuclides;Clayton;Ann. Phys. (N. Y.),1961
4. A description of the meteorite which fell near Abee, Alberta, Canada;Dawson;Geochim. et Cosmochim. Acta,1960
5. On the gold contents of rocks;Degrazia;Geochim. et. Cosmochim, Acta,1964