S. Kounev. Wiley Encyclopedia of Computer Science and Engineering, edited by Benjamin W. Wah, Wiley-Interscience, John Wiley & Sons Inc., (Januar 2009)
S. Kounev. Wiley Encyclopedia of Computer Science and Engineering, edited by Benjamin W. Wah, Wiley-Interscience, John Wiley & Sons Inc., (Januar 2009)