- Author: Cristian Darie Karli Watson (auth.)
- Language: English
- Year: 2009
- Author: Cristian Darie Karli Watson (auth.)
- Language: English
- Year: 2004
- Author: Cristian Darie Karli Watson (auth.)
- Language: English
- Year: 2009
- Author: Cristian Darie Karli Watson (auth.)
- Language: English
- Year: 2006