000 00323nam a2200121Ia 4500
008 170101s1973 xx 000 0 und d
082 _a631.7 ROY
100 _aRoy, K
245 0 _aTechnology of agricultural land development and water management
260 _aNew Delhi
_bSatya
_c1973
300 _aP.227
942 _2ddc
_cBK
999 _c31431
_d31431