000 00315nam a2200145Ia 4500
008 190201s9999 xx 000 0 und d
020 _a9.79E+12
082 _a510
082 _bBAL
100 _a"Bali,N.P."
245 2 _aA Text Book Of Engineeri
260 _aNew delhi
260 _bLaxmi Pub
260 _c2002
999 _c21195
_d21195