00321nam a2200121 a 4500008004100000050001600041100001800057245003600075246004000111260002200151300001700173350000900190120416s1979    ||||||||||||||||| ||    u  aTK 6553 Kug  aKugushev, A.M10aPrinciples of radio electronics  anonlinear electromagnetic processes  aMoscowbMirc1979  a342p. : ill.  a0.00