au.\*:("WITTUR GE")
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DOMESTIC PROCESSING OF MINE OUTPUT IN CANADA, WITH CASE STUDIES ON ZINC AND COPPER REFINING.WITTUR GE.1974; DISSERT. ABSTR. INTERNATION., B; USA; 1974, VOL. 35, NUM. 0003, P. 1335 A 1336Serial Issue
DOMESTIC PROCESSING OF CANADIAN MINERAL PRODUCTION, WITH EMPHASIS ON ZINC AND COPPER.WITTUR GE.sdIN: PROC. COUNC. ECON. AIME, ANNU. MEET.; NEW YORK; 1975; NEW YORK AIME,1975, P. 45 A 53Miscellaneous
MINERAL REVIEWS IN DETAIL(1967).KILLIN AF; SCHNEIDER VB; FRASER DB et al.1968; CANAD. MING J.; CAN; 1968(2), VOL. 89, NUM. 0002, P. 97 A 146Miscellaneous