KRAUSKOPF, KONRAD B. INTRODUCTION TO GEOCHEMISTRY - 0 - NEW YORK-U.S.A. MCGRAW-HILL BOOK COMPANY 1967 - 721 pag 23 cm - 0 0 . EQUILIBRIUM-COLLOIDS/ENERGY-OXIDATION Subjects--Topical Terms: CIENCIAS PURAS Dewey Class. No.: 551.9 / K79