00962nam--2200325---450-99000330973020331620090914110504.0000330973USA01000330973(ALEPH)000330973USA0100033097320090914d1978----km-y0itay50------baengUS||||||||001yyPassive and active microwave circuitsJ. HelszajnNew YorkJohn Wiley & Sonscopyr. 1978VII, 274 p.ill. graf. tab.copyr. 1978Circuito a microstrisceIngegneria elettronica621.381 32HELSZAJN,Joseph27142ITsalbcISBD990003309730203316621.381 32 HEL15498/CBS621.381 3200327165BKSCIRSIAV69020090914USA011105Passive and active microwave circuits330625UNISA