| Reference |
C. Snoek, W.F. van der Weg, R. Geballe and P.K. Rol: Study of collision phenomena at copper surfaces In: Proceedings of the Seventh International Conference on Phenomena in Ionized Gases. Beograd, 22-27 August 1965 /ed. B. Perovic and D. Tosic, Gradevinska Knjiga, 1966. - pp. 145-149 |
