TY - BOOK AU - Chiras,Daniel D. TI - Environmental science: a systems approach to sustainable development SN - 0534538746 (alk. paper) AV - GE140 .C48 1998 U1 - 363.7 21 PY - 1998/// CY - Belmont, CA PB - Wadsworth Pub. KW - Environmental sciences KW - Sustainable development N1 - Includes bibliographical references (p. 580-590) and index ER -