- Author: Titu Andreescu Cristinel Mortici Marian Tetiva
- Language: English
- Year: 2016
- Author: Titu Andreescu Cristinel Mortici Marian Tetiva
- Language: English
- Year: 2017
- Author: Titu Andreescu Cristinel Mortici Marian Tetiva (auth.)
- Language: English
- Year: 2017