@article{JGAA_2007_11_1_a6,
     author = {Kerri Morgan and Graham Farr},
     title = {Approximation {Algorithms} for the {Maximum} {Induced} {Planar} and {Outerplanar} {Subgraph} {Problems}},
     journal = {Journal of Graph Algorithms and Applications},
     pages = {165--193},
     publisher = {mathdoc},
     volume = {11},
     number = {1},
     year = {2007},
     doi = {10.7155/jgaa.00141},
     language = {en},
     url = {http://geodesic.mathdoc.fr/articles/10.7155/jgaa.00141/}
}