Amin Coja-Oghlan Andreas Goerdt André Lanka Spectral Partitioning of Random Graphs with Given Expected Degrees. 271-282 2006 IFIP TCS http://dx.doi.org/10.1007/978-0-387-34735-6_22 conf/ifipTCS/2006 db/conf/ifipTCS/ifipTCS2006.html#Coja-OghlanGL06