Jin Wang Chang Hao Piao Chong Ho Lee Implementing Multi-VRC Cores to Evolve Combinational Logic Circuits in Parallel. 23-34 2007 conf/ices/2007 ICES http://dx.doi.org/10.1007/978-3-540-74626-3_3 db/conf/ices/ices2007.html#WangPL07