000 00283nam a2200121Ia 4500
008 211209s9999 xx 000 0 und d
020 _a8185009057
041 _aeng
082 _a621 ROY
100 _aROY
245 _aELEMENTS OF MECHANICAL ENGINEERING
260 _bMEDIA PROMOTERS
999 _c77784
_d77784