000 00261nam a2200109Ia 45e0
008 181001s1912 xx 000 0 und d
100 _aKeown R.Mc.
245 0 _aMechanism
260 _aN.Y.
_bMcGraw Hill
_c1912
300 _a191
942 _2ddc
_cBK
999 _c1448
_d1448