=LDR 22 4500 =001 595 =082 04$a551.49 LLO =100 1\$aLloyd, J. W. =245 10$aCase studies in groundwater resources evaluation =260 \\$aOxford :$bClarendon Press,$c1981 =650 \0$aBooks =852 \\$bFreeman Library$h551.49 LLO