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100 1 _aChanan, Singh
245 1 _aon the transmission constant of water in subsoil sands
260 _aLahore
_c1939
300 _a1-12 p.
942 _2udc
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440 _aPunjab Irrigation Research Institute. Research Publication No. 9, Vol. 5
901 _aS55344
999 _c113640
_d113640