INTEGRATEUR GEOMETRIQUE ADAPTE A LA MESURE D'AIRES DE PICS.SAHORES J.1968; BULL. CENTRES RECH. EXPLOR.-PRODUCT. ELF-AQUITAINE; FRA; 1968(11), VOL. 2, NUM. 0002, P. 449 A 456Miscellaneous

THE PRE-EVALUATION OF THE POSSIBLE PROFITABILITY OF EXPLORATION PROSPECTS.BRANT AA.1968; MINER. DEPOSITA; DEU; 1968(3), VOL. 3, NUM. 0001, P. 1 A 17Miscellaneous

THE PRE-EVALUATION OF THE POSSIBLE PROFITABILITY OF EXPLORATION PROSPECTS.BRANT AA.1968; MINER. DEPOSITA; DEU; 1968(3), VOL. 3, NUM. 0001, P. 1 A 17Miscellaneous

DESIGN AND STRUCTURE OF GEOLOGICAL DATA BANKS FOR REGIONAL MINERAL POTENTIAL EVALUATION.FABBRI AG.1975; CIM BULL.; CAN; 1975, VOL. 68, NUM. 0760, P. 91 A 98Serial Issue