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- Language: English
- Year: 2002

- Author: H. P. Jakobsen V. G. Kac (auth.) N. Sanchez (eds.)
- Language: English
- Year: 1985

- Author: A. O. Barut (auth.) A. O. Barut H. -D. Doebner (eds.)
- Language: English
- Year: 1986