Gradevinska Knjiga
B. Perovic , D. Tosic

Snoek, C., van der Weg, W. F., Geballe, R., & Rol, P. K. (1966). Study of collision phenomena at copper surfaces. In B. Perovic & D. Tosic (Eds.), Proceedings of the Seventh International Conference on Phenomena in Ionized Gases. Beograd, 22-27 August 1965 (pp. 145–149).