000			00322nam a2200121Ia 4500
008			221007s9999 xx 000 0 und d
100			_aChattopadhyay P.
245		0	_aBoiler Operation Engineering : Questions and Answers
250			_a16th
260			_aTMH, New Delhi _bTMH, New Delhi _c2011
300			_a1397
942			_cBK
999			_c2507 _d2507