=LDR 22 4500 =001 5118 =082 04$a551.48 GIL =100 1\$aGilman, Kevin =245 10$aSoil pipes and pipeflow: a hydrological study in upland Wales =260 \\$aNorwich, England :$bGeo Books,$c1980 =650 \0$aBooks =700 1\$aNewson, Malcolm =852 \\$bFreeman Library$h551.48 GIL