TY - BOOK AU - Ahmad,Nazir TI - Groundwater resources of Pakistan AV - GB1159.P2 A37 1995 U1 - 553.7909 AHM 21 PY - 1995///] CY - Lahore PB - Shahzad Nazir KW - Groundwater KW - Pakistan KW - Water quality N1 - H.B ER -