@article {Horacek_Vacuum_2001, title = {Temperature controlled cathode heating in electron beam welding machine}, journal = {Vacuum}, volume = {vol.~62}, number = {no.~2{\textendash}3}, year = {2001}, pages = {165{\textendash}169}, issn = {0042-207X}, author = {Miroslav Hor{\'a}{\v c}ek and Dup{\'a}k, Jan} }