Juan Seijas Carmen Morató José L. Sanz-González Genetic Algorithms: Two Different Elitism Operators for Stochastic and Deterministic Applications. 617-625 2001 conf/ppam/2001 PPAM http://link.springer.de/link/service/series/0558/bibs/2328/23280617.htm db/conf/ppam/ppam2001.html#SeijasMS01