=LDR 22 4500 =001 2959 =082 04$a551.48 CHO =100 1\$aChorley, Richard J. =245 10$aIntroduction to Physical Hydrology =260 \\$aLondon :$bMethuen,$c1969 =650 \0$aBooks =852 \\$bFreeman Library$h551.48 CHO