Kosińska, Joanna, Jacek Kosiński, Slawomir Zieliński, and Krzysztof Zieliński. 2012. “Flexible Organization of Repositories for Provisioning Cloud Infrastructures”. COMPUTING AND INFORMATICS 31 (4):743-57. https://www.cai.sk/ojs/index.php/cai/article/view/1103.