BECK, A.H.W.
Velocity-modulated thermionic tubes /A.H.W.Beck - Cambridge At the University press 1948 - 175 p.
84482
621.384 / BEC
Velocity-modulated thermionic tubes /A.H.W.Beck - Cambridge At the University press 1948 - 175 p.
84482
621.384 / BEC