TY  - BOOK
AU  - Eichmeier, Joseph A.
AU  - Thumm , Manfred K, Eds.
TI  - Vacuum electronics: Components and devices 
SN  - 9783540719281
PY  - 2008///
CY  - New York
PB  - Springer
KW  - Engineering
KW  - Vacuum Electronics
ER  -