International Conference on Ionization Phenomena in Gases.International Conference on Phenomena in Ionized Gases(12th : 1975)：Proceedings of the 12th International conference on ionization phenomena in gases, 1975．pt. 1.North-Holland,1975.
International Conference on Phenomena in Ionized Gases(12th : 1975)：Proceedings of the 12th International conference on ionization phenomena in gases, 1975．pt. 1
International Conference on Ionization Phenomena in Gases.North-Holland,1975.
