=LDR 22 4500 =001 1404 =082 04$a363.7 PAR =100 1\$aPark, Chris C. =245 10$aEcology and environmental management: a geographical perspective =260 \\$aFolkestone :$bDawson [etc.],$c1980 =650 \0$aOther =852 \\$bFreeman Library$h363.7 PAR