000 00327nam a2200121Ia 4500
008 190711s9999 xx 000 0 und d
082 _a621.184076 E484
100 _aELONKA,S.M
245 0 _aSTANDARD BOILER OPERATORS QUESTIONS AND ANSWERS
260 _aNEW DELHI
_bTata McGraw-Hill
_c1990
300 _a21X14
942 _cBK
_2DDC
999 _c22742
_d22742