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Douglas MacArthur Douglas Costa Douglas A-4 Skyhawk Douglas A-26 Invader Douglas A-1 Skyraider Douglas Aircraft Company Douglas A-3 Skywarrior Douglas DC-3 Douglas A-20 Havoc Douglas B-66 DestroyerTài liệu tham khảo
WikiPedia: Douglas_Engelbart http://www.digitaljournal.com/pr/399442 http://engelbartbook.com http://www.ft.com/intl/cms/s/2/de5dad7e-4058-11df-... http://gigaom.com/2013/07/03/doug-engelbart-americ... http://www.google.com/patents?vid=3541541 http://history-computer.com/People/EngelbartBio.ht... http://karenengelbart.com/ http://www.nndb.com/people/131/000026053/ http://alumni.sri.com/hofbios/Elizabeth%20J.%20Fei... http://www.sri.com/engelbart-event.html