TY - BOOK AU - Gregory,K.J. TI - Environmental sciences: a student's companion SN - 9781412947053 (pbk.) U1 - 628 22 PY - 2009/// CY - Los Angeles PB - SAGE KW - Environmental sciences N1 - Includes bibliographical references and index; Environmental sciences -- Environments -- Paradigms/Concepts -- Processes and dynamics -- Scales and techniques -- Environmental issues ER -