@article{JGAA_2000_4_4_a0,
     author = {Susanne Hambrusch and Chuan-Ming Liu and Hyeong-Seok Lim},
     title = {Clustering in {Trees:} {Optimizing} {Cluster} {Sizes} and {Number} of {Subtrees}},
     journal = {Journal of Graph Algorithms and Applications},
     pages = {1--26},
     publisher = {mathdoc},
     volume = {4},
     number = {4},
     year = {2000},
     doi = {10.7155/jgaa.00031},
     language = {en},
     url = {http://geodesic.mathdoc.fr/articles/10.7155/jgaa.00031/}
}