000 00323nam a2200133Ia 4500
008 191201s2001 xx 000 0 und d
100 _aSINGH, Vrinda
245 0 _aVastra Vigyan Evam Paridhan
250 _a1st
260 _aN.Delhi
_bPanehshil Publishers
_c2001
300 _a640
650 _aB.Tech(TE)
942 _2ddc
_cBK
999 _c2577
_d2577