000 00383 am a2200121 a 4500
100 1 _aPuri, Amar Nath, Taylor, E.McKenzie
245 1 _aSoil Deterioration in the canal irrigated areas of the Punjab
260 _aLahore
_c1937
300 _a1-7 p.
942 _2udc
_cB
440 _aSoil , Irrigated Punjab Irrigation Research Institute. Research Publication No. 9
901 _aS46904
999 _c102617
_d102617