Günther R. Raidl Gabriele Kodydek Bryant A. Julstrom On Weight-Biased Mutation for Graph Problems. 204-213 2002 conf/ppsn/2002 PPSN http://link.springer.de/link/service/series/0558/bibs/2439/24390204.htm db/conf/ppsn/ppsn2002.html#RaidlKJ02