Broecker, Wallace S., 1931- Chemical equilibria in the earth [by] Wallace S. Broecker [and] Virginia M. Oversby. - New York, McGraw-Hill [c1971] - x, 318 p. illus. 23 cm. - McGraw-Hill international series in the earth and planetary sciences . Includes bibliographies. Subjects--Topical Terms: Geochemistry.Chemical equilibrium. Dewey Class. No.: 541.392