@article {16609,
	title = {Problem solving during artificial selection of self-replicating loops* 1},
	journal = {Physica D: Nonlinear Phenomena},
	volume = {115},
	year = {1998},
	month = {1998///},
	pages = {293 - 312},
	author = {Chou,H. H. and Reggia, James A.}
}
