"Electronic books." . . "Semiconducteurs." . . "Silicium." . . "Germanium compounds." . . . . "Heterojunctions." . . "Transistors bipolaires." . . "Transistors bipolars." . . "Silicium Germanium Heterobipolartransistor." . . "Silicon alloys." . . "Transistors bipolaires à hétérojonctions." . . "Silicon." . . "Germanium." . . "Heterobipolartransistor." . . "TECHNOLOGY & ENGINEERING Electronics Transistors." . . "Bipolar transistors Design and construction." . . "Bipolar transistors." . . . . . . . . . . . . . . . . "Electronic books"@en . . . . . . . . . . . . . . . . . . . "SiGe heterojunction bipolar transistors"@en . "SiGe heterojunction bipolar transistors" . . . . . . "Silicon-germanium heterojunction bipolar transistors"@en . "Silicon-germanium heterojunction bipolar transistors" . . . . . "SiGe Heterojunction Bipolar Transistors" . . . . . . "Électronique." . .