- Author: Krister Holmberg
- Language: English
- Year: 2002
- Author: Ken A. Dill Sarina Bromberg
- Language: English
- Year: 2002
- Author: P.L. Hammer E.L. Johnson B.H. Korte and G.L. Nemhauser (Eds.)
- Language: English
- Year: 1977
- Author: B. Alspach P. Hell and D.J. Miller (Eds.)
- Language: English
- Year: 1978
- Author: Gert Due Billing
- Language: English
- Year: 2000
- Author: Terence Allen
- Language: English
- Year: 1997
- Author: Robert A. Alberty
- Language: English
- Year: 2003
- Author: C. B. Alcock
- Language: English
- Year: 2001
- Author: Arthur W. Adamson Alice P. Gast
- Language: English
- Year: 1997
- Author: Анисимов М. Сычев В.
- Language: Русский
- Year: 1990