.245
a	Essentials of alternating currents, by W.H. Timbie and H.H. Higbie.
h	Book
.100
a	Timbie W.H.
.005
a	00000000000000
.260
a	New York: Wiley, 1919.
b
c	2000
.084
a	621.385 1 Val
.300
a	viii, 374 hlm.
b	gamb., 20 cm.
c	viii, 374 hlm.; gamb., 20 cm.
.336
a	Book