=LDR 00000nam a2200000ui 4500 =001 2270 =008 250530s1975\\\\xx\|||||||||||||||||eng\d =082 04$a551.4 RUH =100 1\$aRuhe, Robert V. =245 10$aGeomorphology: geomorphic processes and surficial geology =260 \\$aBoston, MA :$bHoughton Mifflin,$c1975 =852 \\$bFreeman Library$cBooks$h551.4 RUH