TY - BOOK AU - Hefferan,Kevin AU - O'Brien,John TI - Earth materials SN - 9781444334609 (pbk. : alk. paper) AV - QE26.3 .H43 2010 U1 - 550 PY - 2010/// CY - Chichester, West Sussex PB - Wiley-Blackwell. KW - Geology KW - Textbooks N1 - Includes bibliographical references and index ER -