1. ‘Iovation Finds 30% of Tran-sactions Conducted From Tor are Fraudulent’. Iovation press release, 17 Sept 2013. Accessed July 2014. https://www.iovation.com/news/press-releases/iovation-finds-30-percent-of-transactions-conducted-from-tor-are-fraudulent
2. Purchase tender by Russian Ministry of Internal Affairs (in Russian)Accessed July 2014. http://zakupki.gov.ru/epz/order/notice/zkk44/view/common-info.html?regNumber=0373100088714000008