=LDR 00000nam a2200000ui 4500 =001 48 =008 250530s1987\\\\xx\|||||||||||||||||eng\d =082 04$a551.38 CLA =100 1\$aClark, M. J. =245 10$aAdvances in Periglacial geomorphology =260 \\$aChichester :$bWiley,$c1987 =852 \\$bFreeman Library$cBooks$h551.38 CLA