TY - BOOK AU - Walther,John Victor TI - Essentials of geochemistry SN - 9780763759223 (alk. paper) AV - QE515 .W35 2009 U1 - 551.9 22 PY - 2009/// CY - Sudbury, Mass. PB - Jones and Bartlett Publishers KW - Geology....Geochemistry N1 - Includes bibliographical references and index UR - http://www.loc.gov/catdir/toc/fy0903/2008028564.html ER -