- Author: Feynman Richard P., Heras Carlos Alberto, Leighton Robert B., Martín y Marfil Juan, Sands Matthew
- Language: English
- Year: 1971
- Author: Richard M Leighton, Robert W Coakley
- Language: English
- Year: 1955
- Author: Jacqueline P. Leighton Robert J. Sternberg PhD
- Language: English
- Year: 2003
- Author: Jacqueline P. Leighton Robert J. Sternberg PhD
- Language: English
- Year: 2003