TY - BOOK AU - Miller,G.Tyler TI - Environmental science : : sustaining the earth / SN - 0534134580 U1 - Q 333.7 MIL PY - 1991/// CY - Belmont, Calif. : PB - Wadsworth Pub. Co., KW - Environmental sciences KW - Human ecology KW - Environmental protection N1 - Includes bibliographical references and index ER -