DAVID MICHEL GEOSTATISTICAL ORE RESERVE ESTIMATION - 0 - OXFORD-NEW YORK-U.S.A. SCIENTIFIC PUBLISHING 1977 - 364 pag 25 cm - 0 0 . ELEMENTARY STATISTICAL-DISTRIBUTIONS/VARIOGRAM-THEORETICAL Subjects--Topical Terms: CIENCIAS PURAS Dewey Class. No.: 551.310 / D32