- Author: Dobrushkin Vladimir Andreevich
- Language: English
- Year: 2015
- Author: Dobrushkin Vladimir A
- Language: English
- Year: 2018
- Author: Dobrushkin Vladimir Andreevich
- Language: English
- Year: 2018
- Author: Dobrushkin Vladimir Andreevich
- Language: English
- Year: 2018
- Author: Dobrushkin Vladimir A
- Language: English
- Year: 2009