000 00310nam a2200121Ia 4500
008 211209s1957 xx 000 0 und d
041 _aeng
082 _a620.1123 N57 LEN
100 _aLENTURILER R W
245 _aPROBLEMS IN MECHANISM
260 _aNEW YORK
_bMCGRAW-HILL BOOK AND COMPANY
_c1957
300 _a114
999 _c4981
_d4981