S. Moqaddamerad, Y. Xu, M. Iivari, and P. Ahokangas. PRO-VE, volume 480 of IFIP Advances in Information and Communication Technology, page 559-568. Springer, (2016)
M. Iivari, M. Pikkarainen, and T. Koivumäki. PRO-VE, volume 506 of IFIP Advances in Information and Communication Technology, page 323-332. Springer, (2017)