000 00300nam a2200133Ia 4500
008 190201s9999 xx 000 0 und d
100 _a"Bhatt,N.D."
245 0 _aElementary Engineering D
250 _aTwenty-Fifth
260 _aIndia
260 _bCharotar Pub.
260 _c1985
300 _a600
999 _c11955
_d11955