=LDR 22 4500 =001 4749 =082 04$a333.72 GOL =100 1\$aGold, John R. =245 10$aRepresenting the environment =260 \\$aLondonLondon :$bRoutledge,$c2004 =650 \0$aReserve =852 \\$bFreeman Library$h333.72 GOL