Masaya Iwata Isamu Kajitani Yong Liu Nobuki Kajihara Tetsuya Higuchi Implementation of a Gate-Level Evolvable Hardware Chip. 38-49 2001 conf/ices/2001 ICES http://link.springer.de/link/service/series/0558/bibs/2210/22100038.htm db/conf/ices/ices2001.html#IwataKLKH01