1. Bäck, T., Hammel, U., & Schwefel, H.-P. (1997). Evolutionary computation: Comments on the history and current state. IEEE Transactions on Evolutionary Computation, 1:1, 3?17.
2. Cooley, J. W., & Tukey, J. W. (1965). An algorithm for the machine computation of the complex Fourier series. Mathematics of Computation, 19, 297?301.
3. Droste, S., Jansen, T., & Wegener, I. (1998). On the analysis of the (1+1) evolutionary algorithm. Technical Report CI 21/98, SFB 531, Univ. Dortmund, Germany.
4. Fischer, S., Klinkenberg, R., Mierswa, I., & Ritthoff, O. (2002). Yale-yet another learning environment tutorial. Technical Report CI 136/02, SFB 531, Univ. Dortmund, Germany.
5. Ghias, A., Logan, J., Chamberlin, D., & Smith, B. C. (1995). Query by humming: Musical information retrieval in an audio database. In Proc. of ACM Multimedia (pp. 231?236).