Embedded cartesian genetic programming and the lawnmower and hierarchical-if-and-only-if problems.

James Alfred Walker Julian Francis Miller Embedded cartesian genetic programming and the lawnmower and hierarchical-if-and-only-if problems. 911-918 2006 conf/gecco/2006 GECCO http://doi.acm.org/10.1145/1143997.1144154 db/conf/gecco/gecco2006.html#WalkerM06