000 00300nam a2200121Ia 4500
008 230223s9999 xx 000 0 und d
082 _a14/1990
100 _aPrabal P. Singh
245 0 _aBhoolekh Survey and Training Institute, Hardoi
260 _c1990
502 _cMr.Rajiv Kacker
942 _cTH
999 _c22128
_d22128