- Author: Rolf Johannesson Kamil Sh. Zigangirov
- Language: English
- Year: 2015
- Author: Rolf Johannesson Kamil Sh. Zigangirov
- Language: English
- Year: 2015
- Author: Rolf Johannesson Kamil Sh. Zigangirov
- Language: English
- Year: 1999
- Author: Rolf Johannesson Kamil Sh. Zigangirov
- Language: English
- Year: 1999
- Author: Rolf Johannesson Kamil Sh. Zigangirov
- Language: English
- Year: 1999