"Semiconductors Optical properties." . . . . . . . . . . . . . . . . . . . . "Amorphous semiconductor : technologies & devices : 1984" . . . "Amorphous semiconductor : technologies and devices. 1982" . . . . "Amorphous semiconductor : technologies & devices" . "Amorphous semiconductor : technologies & devices"@en . . "Amorphous semiconductor technologies and devices, 1982"@en . . . "Amorphous semiconductor : techologies & devices : 1982" . "Amorphous semiconductor : technologies & devices 1982" . . . . . "Amorphous semiconductor : technologies & devices : 1982" . . . "Amorphous semiconductor technologies and devices" . "Amorphous semiconductor technologies and devices"@en . . . . . . "Amorphous semiconductor technologies & devices" . "Amorphous semiconductor technologies & devices"@en . "Amorphous semiconductors technologies and devices : 1982"@en . "Amorphous semiconductor technologies & devices : 1982"@en . . . . "Amorphous semiconductor : technologies and devices" . "Amorphous semiconductor : technologies and devices"@en . . . . "Amorphous semiconductor technologies and devices. 1982"@en . "Amorphous semiconductor : technologies & devices 1984" . . . "Amorphous semiconductor technologies and devices : 1982" . . . . . . "Amorphous semiconductor technologies & devices : 1984"@en . . . "Telecommunication." . . "semiconductors" . . "Semiconduttori amorfi - Tecnologia." . . "Semiconducteurs amorphes." . . . . "solid state" . . "Amorphous semiconductors." . .