"0, . "
vacuum manual: / - ed. - london : e.&f.n. spon 1974. - "x, 427p.; 25 cm."
0 419 10740-1 hard cover
vacuum tubes--
621. 692 hol
vacuum manual: / - ed. - london : e.&f.n. spon 1974. - "x, 427p.; 25 cm."
0 419 10740-1 hard cover
vacuum tubes--
621. 692 hol