"302827413"@en-us . "302827413"^^ . "of or relating to photoconductivity; \"selenium is a photoconductive substance\""@en-us . . "0"^^ . . "02827413-a"^^ . "302622880"@en-us . "302698969"@en-us . "0"^^ . . "photoconductive"@en-us . . . . "photoconductive"^^ .