=LDR 22 4500 =001 222 =082 04$a551.49011 AND =100 1\$aAnderson, Mary P. =245 10$aApplied groundwater modeling =260 \\$aSan Diego :$bAcademic Press,$c1992 =650 \0$aReserve =700 1\$aWoessner, William W. =852 \\$bFreeman Library$h551.49011 AND