=LDR 22 4500 =001 3397 =082 04$a551.44 WIL =100 1\$aWilliams, P. W. =245 10$aLimestone pavements with special reference to western Ireland =260 \\$bInstitute of British Geographers,$c1966 =650 \0$aPamphlets =852 \\$bFreeman Library$h551.44 WIL