@inproceedings{klau:04,
 author = {G.W.~Klau and I.~Ljubić and A.~Moser and P.~Mutzel and P.~Neuner
and U.~Pferschy and G.~Raidl and R.~Weiskircher},
 booktitle = {Genetic and Evolutionary Computation -- GECCO 2004},
 editor = {K.~ Deb and others},
 keywords = {evolcomp, hybrid, netdesign},
 pages = {1304--1315},
 publisher = {Springer},
 series = {LNCS},
 title = {Combining a Memetic Algorithm with Integer Programming to Solve the Prize-Collecting {S}teiner Tree Problem},
 url = {https://www.ac.tuwien.ac.at/files/pub/klau-04.pdf},
 volume = {3102},
 year = {2004}
}