- Author: Ivars Peterson
- Language: English
- Year: 2011
- Author: Ivars Peterson
- Language: English
- Year: 2001
- Author: Ivars Peterson
- Language: English
- Year: 2002
- Author: Ivars Peterson (auth.)
- Language: German
- Year: 1994
- Author: Ivars Peterson
- Language: English
- Year: 1997
- Author: Ivars Peterson
- Language: English
- Year: 1993
- Author: Ivars Peterson
- Language: English
- Year: 1998
- Author: Ivars Peterson
- Language: English
- Year: 1998
- Author: Ivars Peterson
- Language: English
- Year: 1997
Newton's clock
djvu
- Author: Ivars Peterson
- Language: English
- Year: 1993