Phosphanides of the Heavier Alkali Metals. Angewandte Chemie 37(15): 2071-2073, 1998
A new technique to separate conodont elements from heavier minerals. Alcheringa 23(1-2): 57-62, 1999
A review of uranium-bearing minerals in the Dominion and Witwatersrand placers. Pages 355-386:, 1987