HOWARTH, R. J. ANALYSIS STATISTICS AND DATA IN PROSPECTING GEOCHEMICAL - 0 - AMSTERDAM-U.S.A. ELSEVIER SCIENTIFIC PUBLI 1983 - 437 pag 25 cm - 0 2 . TECHNIQUES-GEOCHEMICAL/SELECTION-METHODS Subjects--Topical Terms: CIENCIAS PURAS Dewey Class. No.: 551.9 / H79