Vladimir Batagelj Andrej Mrvar Matjaz Zaversnik Partitioning Approach to Visualization of Large Graphs. 90-97 1999 conf/gd/1999 Graph Drawing http://link.springer.de/link/service/series/0558/bibs/1731/17310090.htm db/conf/gd/gd1999.html#BatageljMZ99