Craig, James R. Compositional zoning in ore minerals at the Craig mine, Sudbury, Ontario, Canada - Toronto, ON Mineralogical Association of Canada October 1999 - pp. 1163-1176 ilus. ISSN: 0008-4476 Subjects--Topical Terms: COBALTODIFUSIONNIQUELPENTLANDITAPIRROTITAZONAMIENTO Subjects--Geographic Terms: CANADAONTARIO