Media type: E-Article Title: A contribution to the problem of secondary electron emission from an oxide-coated cathode Contributor: Lenk, Rudolf imprint: Springer Science and Business Media LLC, 1957 Published in: Czechoslovak Journal of Physics Language: English DOI: 10.1007/bf01688037 ISSN: 0011-4626; 1572-9486 Keywords: General Physics and Astronomy Origination: Footnote: