003580000a22001330004500060000800000082001400008100001400022245006200036260003600098260000900134300000800143490003700151650003600188 a100 a573.4 MUN aMunn, R E aEnviornmental impact assessment: principles and procedure aCorada, Seope report 5, Toronto c1975 a173 aInternational council of science aEnviornmental impact assessment