=LDR 22 4500 =001 6180 =020 \\$a0 19 874157 X =082 04$a551.48 NEW =100 1\$aNewson, Malcolm =245 10$aHydrology and the River Environment =260 \\$aOxford :$bClarendon,$c1994 =650 \0$aBooks =852 \\$bGeography Basement$h551.48 NEW