Gautam Garai B. B. Chaudhuri A Cascaded Genetic Algorithm for Efficient Optimization and Pattern Matching. 32-39 2001 conf/icapr/2001 ICAPR http://link.springer.de/link/service/series/0558/bibs/2013/20130032.htm db/conf/icapr/icapr2001.html#GaraiC01