- Author: Lipavsky Corina, Stanic Elena
- Language: English
- Year: 2010
- Author: Fishel Catharine M., Gardner Bill
- Language: English
- Year: 2003
- Author: Fishel Catharine M., Gardner Bill
- Language: English
- Year: 2003
- Author: Fishel Catharine M., Gardner Bill
- Language: English
- Year: 2004
- Author: Fishel Catharine M., Gardner Bill
- Language: English
- Year: 2011
- Author: Fishel Catharine M., Gardner Bill
- Language: English
- Year: 2011
- Author: Fishel Catharine M., Gardner Bill
- Language: English
- Year: 2014