QUANTITATIVE ANALYSIS OF THE AVAILABLE ALUMINA CONTENT BY DIFFERENTIAL THERMAL ANALYSIS (D.T.A.) IN BAUXITE FROM "ONVERDACHT" SURINAM.VAN DER VEEN AH.1968; GEOL. EN MIJNBOUW; NLD; 1968(12), VOL. 47, NUM. 0006, P. 469 A 478Miscellaneous

THE GEOLOGY OF THE TIN-BEARING PEGMATITES IN THE EASTERN PART OF THE KAMATIVI DISTRICT, RHODESIARIJKS HRP; VAN DER VEEN AH.1972; MINER. DEPOSITA; ALLEM. ; 1972, VOL. 7, NUM. 0004, P. 383 A 395Serial Issue

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A SIMPLE GIBBSITE ANALYZER FOR RAPID FIELD DETERMINATION OF THE AVAILABLE ALUMINA CONTENT IN BAUXITES.VAN ESSEN MJ; HEYNEN JAC; VAN DER VEEN AH et al.1971; MINER. DEPOSITA; DEU; 1971, VOL. 6, NUM. 0001, P. 41 A 48Miscellaneous