Alfonseca, Manuel; Soler Gil, Francisco José (2 January 2015). "Evolving a predator-prey ecosystem of mathematical expressions with grammatical evolution". Complexity. 20 (3): 66–83. Bibcode:2015Cmplx..20c..66A. doi:10.1002/cplx.21507. hdl:10486/663611.
Alfonseca, Manuel; Soler Gil, Francisco José (2 January 2015). "Evolving a predator-prey ecosystem of mathematical expressions with grammatical evolution". Complexity. 20 (3): 66–83. Bibcode:2015Cmplx..20c..66A. doi:10.1002/cplx.21507. hdl:10486/663611.
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Alfonseca, Manuel; Soler Gil, Francisco José (2 January 2015). "Evolving a predator-prey ecosystem of mathematical expressions with grammatical evolution". Complexity. 20 (3): 66–83. Bibcode:2015Cmplx..20c..66A. doi:10.1002/cplx.21507. hdl:10486/663611.
Whigham, P. (1996). "Search Bias, Language Bias and Genetic ProgrammingP". S2CID16631215. {{cite web}}: Missing or empty |url= (help)
Kellere, Robert E. (1996). "Genetic Programming Using Mutation, Reproduction and Genotype-phenotype Mapping from Linear Binary Genomes into Linear Lalr(1) Phenotypes Paper Category: Genetic Programming (gp)". S2CID18095204. {{cite web}}: Missing or empty |url= (help)