=LDR 22 4500 =001 5928 =082 04$a333.91 POR =100 1\$aPorter, Elizabeth =245 10$aWater management in England and Wales =260 \\$aLondon :$bCambridge University Press,$c1978 =650 \0$aBooks =852 \\$bFreeman Library$h333.91 POR