=LDR 22 4500 =001 2459 =082 04$a1998 MCH =100 1\$aMcHugh, Maeve =245 10$aGroundwater protection in the Mullenbawn spring catchment, County Tipperary =260 \\$aDublin :$bUniversity of Dublin, Trinity College,$c1998 =650 \0$aTheses =852 \\$bFreeman Library$h1998 MCH