@article{JGAA_2009_13_2_a9,
     author = {Ulrich Pferschy and Joachim Schauer},
     title = {The {Knapsack} {Problem} with {Conflict} {Graphs}},
     journal = {Journal of Graph Algorithms and Applications},
     pages = {233--249},
     publisher = {mathdoc},
     volume = {13},
     number = {2},
     year = {2009},
     doi = {10.7155/jgaa.00186},
     language = {en},
     url = {http://geodesic.mathdoc.fr/articles/10.7155/jgaa.00186/}
}