=LDR 22 4500 =001 515 =082 04$a551.790941 SHO =100 1\$aShotton, F. W. =245 10$aBritish Quaternary studies : recent advances =260 \\$aOxford :$bClarendon Press,$c1977 =650 \0$aBooks =852 \\$bFreeman Library$h551.790941 SHO