000
00270nam a2200121Ia 4500
020
_a
0070994234
100
_a
Langsdorf Alexander S
245
_a
Theory of alternating current machinery
250
_a
2
260
_c
1990
_b
TMH
_a
New Delhi
300
_a
666
942
_c
BK
999
_c
18656
_d
18656