DAVID MICHEL GEOSTATISCAL ORE RESERVE ESTIMATION - 0 - AMSTERDAM-U.S.A. ELSEVIER SCIENTIFIC PUBLI 1977 - 364 pag 25 cm - 0 0 . ELEMENTARY STATICAL/CONTRIBUTION-DISTRIBUTION ISBN: 0-444-41532-7 Subjects--Topical Terms: CIENCIAS PURAS Dewey Class. No.: 550 / D32