000 00321nam a2200121Ia 4500
008 221007s9999 xx 000 0 und d
100 _aChattopadhyay P.
245 0 _aBoiler Operation Engineering : Questions and Answers
250 _a3rd
260 _aTMH, New Delhi
_bTMH, New Delhi
_c2013
300 _a1797
942 _cBK
999 _c4128
_d4128