.245
a	Theory and design of valve oscillators
b	: for radio and other frequencies, by H.A. Thomas; with a foreword by E.V. Appleton.; by Thomas H.A.
h	Book
.100
a	Thomas H.A.
.005
a	20080108111036
.260
a	London: Chapman & Hall, 1951.
b	Chapman & Hall
c	1951
.084
a	621.31 Ste
.300
a	xv, 317 hlm.
b	gamb., 23 cm.
c	xv, 317 hlm.; gamb., 23 cm.
.490
a	Series of monographs on electrical engineering, vo
.336
a	Book