D. Lucanin, I. Pietri, S. Holmbacka, I. Brandic, J. Lilius, R. Sakellariou:
"Performance-Based Pricing in Multi-Core Geo-Distributed Cloud Computing";
IEEE Transactions on Cloud Computing, PP (2016), 99; 1 - 14.
http://dx.doi.org/10.1109/TCC.2016.2628368