=LDR 22 4500 =001 4173 =082 04$a551.31 CAS =100 1\$aCastleden, R. =245 10$aPeriglacial pediments in central and southern England =260 \\$bCatena,$c1977 =650 \0$aPamphlets =852 \\$bFreeman Library$h551.31 CAS