Warring, R. H. 1920-1984. Understanding electronics / [electronic resource] / by R.H. Warring.. — 3rd ed. / edited by G. Randy Slone.. — Blue Ridge Summit, PA : : Tab Books,, c1989.. — xiv, 205 p. : : ill. ; 25 cm. Includes index. ISBN: 0830690441 : $18.95 9780830690442 0830693440 (pbk.) : $11.60 9780830693443 (pbk.) LCCN: 88032308 Subjects--Topical Terms: Electronics--Amateurs' manuals. LC Class. No.: TK9965 / .W39 1989 Dewey Class. No.: 621.381