000 00347nam a2200145Ia 4500
082 _a631.4
_bNAW
245 _aWaterlogging and salinity problems in Pakistan
260 _aLahore:
_bID & FCRC,
_c1974.
300 _bpart 2
500 _apbk
546 _aeng
650 _aSoil conservation
_948480
700 _aNazir Ahmad
_9191165
942 _cBK
999 _c14759
_d14759