Walther, John Victor Essentials of geochemistry/ John V. Walther. - 2nd ed. - Boston: Jones and Bartlet, 2010. - xv, 797 p. ill. 24 cm. ISBN: 978-0763759223 9789380108148 Subjects--Topical Terms: Geochemistry Dewey Class. No.: 551.9 / WAL/E