Snyder, Timothy. Sketches from a secret war. - New Haven [u.a.] : Yale Univ. Press. - 2005 - Risch, William Jay (. The @Russian review. - London : Wiley-Blackwell, 1941-. - Online-Ressource. - ISSN 1467-9434. - DOI 10.1111/(ISSN)1467-9434 66, 2007)