1. Alander, J. T. 1994. An Indexed Bibliography of Genetic Algorithms: Years 1957?1993. Report No. 94-1. Department of Information Technology and Production Economics, University of Vaasa.
2. Baek, K. H., and Elliott, S. J. 1993. Natural algorithms for choosing source locations in active cntrol system. Proc. Workshop on Natural Algorithms in Signal Processing, Chelmsford, Essex, pp. 23/1?25/10.
3. Baker, J. E. 1987. Reducing bias and inefficiency in the selection algorithms. Proc. 2nd Int. Conf. Genetic Algorithms. Lawrence Erlbaum Associates, Hillsdale, pp. 14?21.
4. Berge, O., Petterson, K. O., and Sorzdal, S. 1988. Active Cancellation of transformer nose: Field measurements. Applied Acoustics 23: 309?320.
5. Cheuk, K. P., Man, K. F., Ho, Y. C., and Tang, K. S. 1994. Active noise control for power transformer. Proc. 1994 Int. Congress on Noise Control Engineering. Yokohama, Japan, pp. 1365?1368.