Diskuto:Lee De Forest
El Vikipedio
[redaktu] Aldonaj eksteraj ligiloj
http://chem.ch.huji.ac.il/~eugeniik/history/deforest.htm
http://patft.uspto.gov/netacgi/nph-Parser?Sect1=PTO1&Sect2=HITOFF&d=PALL&p=1&u=/netahtml/srchnum.htm&r=1&f=G&l=50&s1=879532.WKU.&OS=PN/879532&RS=PN/879532
http://www.deforestradio.com
http://earlyradiohistory.us/audi1916.htm
http://www.ieee.org/organizations/history_center/Che2004/Hong.pdf
http://en.wikipedia.org/wiki/San_Fernando_Mission_Cemetery|San
http://www.wikitree.org/index.php?title=Lee_de_Forest