000 00288nam a2200121Ia 4500
008 191031s9999 xx 000 0 und d
100 _aGurdev Singh and Vinod Ahuja
245 0 _aLand Resources management
260 _bOxford and IBH
260 _c1992
365 _b135
942 _cBK
999 _c217716
_d217716