01273nam--2200385---450-99000119655020331620071009114608.088-203-1944-6000119655USA01000119655(ALEPH)000119655USA0100011965520031015d1992----km-y0itaa50------baITAEcologia applicatainquinamento e salute umana, criteri di protezione dell'aria, delle acque, del suolo,valutazione di impatto ambientale, esempi di calcoloRenato Vismara2. ed.MilanoU. Hoeplicopyr. 1992771 p.ill.24 cmBiblioteca scientifica HoepliEcologiaInquinamento628.5VismaraRenato8870990001196550203316628.5 VIS0029376 CBS628.500114186628.5 VIS33916/CBS628.500215858628.5 VIS33917/CBS628.500215857BKSCIDIGIUSEPPE9020031015USA011320PATRY9020040406USA011726PAOLA9020050128USA011353SENATORE9020071009USA011146Ecologia applicata112773UNISA00940nam0 2200277 450 00001237420180619115231.020080605d1951----km-y0itay50------baengNLa-------001yyTransmitting valvesthe use of pentode, tetrodes and triode in transmitter circuitsby J. P. Heyboerrevised by P. Zijlstrawith a foreword by H. A. ThomasEindhovenPhilips' technical library1951XII, 286 p.ill.24 cmSeries on electronic valves72001Series on electronic valvesRadiotecnica621.3841220Heyboer,J. P.631410Zijlstra,P.Thomas,H. A.ITUNIPARTHENOPE20080604RICAUNIMARC000012374621.384/10112094PIST2008Transmitting valves1203205UNIPARTHENOPE