000 00279nam a22001217a 4500
020 _a9789380026046
082 _a660.28
_bB18p
100 _aK. Balu
245 _aProblems on material and energy balance calculation
260 _aNew delhi
_bIK
_c2014
300 _a190
942 _cBK
999 _c6641
_d6640