- Author: Michael Hart
- Language: English
- Year: 2008
- Author: Boyko John, Diefenbaker John G, Kennedy John Fitzgerald, Pearson Lester B
- Language: English
- Year: 2016
L.E.D
azw3
- Author: Johnstone Bob
- Language: English
- Year: 2017
- Author: Pearson Lester B., Engler Yves
- Language: English
- Year: 2012
- Author: Lippert Kevin C
- Language: English
- Year: 2015
- Author: Lippert Kevin C
- Language: English
- Year: 2015