M. Sipper, Y. Azaria, A. Hauptman, and Y. Shichel. IEEE Transactions on Systems, Man and Cybernetics,
Part C: Applications and Reviews, 37 (4):
583--593(July 2007)
K. Imamura, J. Foster, and A. Krings. The Second NASA/DoD workshop on Evolvable Hardware, page 75--80. Palo Alto, California, IEEE Computer Society, (13-15 July 2000)