THE IMPACT OF NODULE MINING ON SOUTHERN AFRICA = L'IMPACT DE L'EXPLOITATION DES NODULES EN AFRIQUE DU SUDWHITE PMT.1982; CONGRESS OF THE COUNCIL OF MINING AND METALLURGICAL INSTITUTIONS. 12/1982/JOHANNESBURG; ZAF; MARSHALLTOWN: SOUTH AFR. INST. MINING METALLURGY; DA. 1982; VOL. 1; PP. 249-258; BIBL. 1 P.; 7 TAB. ; TABL.Conference Paper

AN APPLICATION OF A WEIGHTED MOVING AVERAGE MODEL FOR CALCULATION OF COAL RESERVES AND COAL SEAM CHARACTERISTICS. = UNE APPLICATION D'UN MODELE DE MOYENNES MOBILES PONDEREES POUR LE CALCUL DES RESERVES DE CHARBON ET DES CARACTERISTIQUES D'UNE COUCHERAMANI RV; WHITE PMT; FALKIE TV et al.1974; IN: 12TH INT. SYMP. APPL. COMPUT. MATH. MINER. IND.; GOLDEN, COLO.; 1974; GOLDEN, COLO.; COLORADO SCH. MINES; DA. 1974; VOL. 1; PP. G.230-G.243; BIBL. 7 REF.; 6 ILL.Conference Paper