=LDR 22 4500 =001 2304 =082 04$a551.31 DRE =100 1\$aDrewry, David =245 10$aGlacial geologic processes =260 \\$aLondon :$bEdward Arnold,$c1986 =650 \0$aBooks =852 \\$bFreeman Library$h551.31 DRE