On the Penning discharge with hot cathodes and its application as an ion source /
Von Göler, S.,author.
Wagner, H.,author.
Great Britain.United Kingdom Atomic Energy Authority,issuing body.
Great Britain.Her Majesty's Stationery Office.
"Sept. 1964".
"From Proceedings of the 6th international conference on ionisation phenomena in gases. Vol. 2, pp. 405-410, SERMA, Paris, 1963".