000
00251pam a2200109a 44500
082
_a
621.3132
_b
L26p6
100
_a
Langsdorf, Alexander S.
245
1
_a
PRINCIPLES OF DIRECT CURRENT MACHINES
260
_a
_b
_c
964
_g
CIRC
997
_a
4997 s C
999
_c
415337
_d
415337