au.\*:("BACKSTROEM JW VON")
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DEUTERIC ALTERATION IN THE CHARNOCKITIC ADAMELLITE-PORPHYRY OF THE NORTWEST CAPE PROVINCE.BACKSTROEM JW VON.1968; ANN. GEOL. OPNAME; MDG; 1968, VOL. 4, P. 99 A 107Miscellaneous
VIOOLSDRIF 2817 D, DABENOUS 2818 D, GOODHOUSE 2818 C, ONSEEPKANS 2819 CDE VILLIERS J; VISSER DJL; VON BACKSTROEM JW et al.sdGEOL. SURV., 1: 125000 GEOL. SER.; S. AFR. MEME DOC. ANGL. ,1972, NUM. 2817, P. 1 A 100Map
