Variable field emission device
Jesse R Cheatham,Philip A Eckhoff,William H Gates,Roderick A Hyde,Muriel Y Ishikawa,Jordin T Kare,Nathan P Myhrvold,Tony S Pan,Robert C Petroski, Clarence T Tegreene, David B Tuckerman,Charles Whitmer,Lowell L Wood, Victoria Y H Wood mag(2015)
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