TY - GEN AU - Turk, Jonathan. TI - Introduction to Environmental Studies / T2 - Saunders golden sunburst series SN - 0030642337 (pbk.) AV - QH541 U1 - 304.2 |2 19 PY - 1985/// CY - Philadelphia : PB - Saunders College Pub. KW - Ecology KW - Environmental aspects N1 - Maps on lining papers; Includes bibliographies and index ER -