=LDR 22 4500 =001 5551 =082 04$a551.31 DER =100 1\$aDerbyshire, Edward =245 10$aTors, rock weathering and climate in southern Victoria Land, Antarctia =260 \\$c1971 =650 \0$aPamphlets =852 \\$bFreeman Library$h551.31 DER