- Author: Martin Väth
- Language: English
- Year: 2012
- Author: М. Э. Казарян
- Language: Русский
- Year: 2002
- Author: В. М. Бухштабер Т. Е. Панов
- Language: Русский
- Year: 2004
- Author: Сизый С.В.
- Language: Русский
- Year: 2007
- Author: Александров П.С.
- Language: Русский
- Year: 1947
- Author: McCleary J.
- Language: English
- Year: 2001
- Author: C. Rogers W. K. Schief
- Language: English
- Year: 2002
- Author: Christian Bär
- Language: English
- Year: 2010
- Author: Sidney A. Morris
- Language: English
- Year: 2011