TY - BOOK AU - Hillary, Edmund, ed. TI - Ecology,: the changing face of earth SN - 0718123530 U1 - 577.0904 21st ed. PY - 1984/// CY - London PB - Michael Joseph KW - Ecology KW - Environmental sciences KW - Thermal pollution N1 - Contents: Pt. 1. Growth - Pt. 2. Agriculture and the environment - Pt. 3. Industry and environment ER -