000
00261nam a2200109Ia 45e0
008
181001s1912 xx 000 0 und d
100
_a
Keown R.Mc.
245
0
_a
Mechanism
260
_a
N.Y.
_b
McGraw Hill
_c
1912
300
_a
191
942
_2
ddc
_c
BK
999
_c
1448
_d
1448