@misc {IOPORT.70786551,
    author       = {Chang, Hsien-Chih and Lu, Hsueh-I},
    title        = {Computing the girth of a planar graph in linear time},
    howpublished = {COCOON, 225-236 (2011).},
    year         = {2011},
    doi          = {10.1007/978-3-642-22685-4_20},
    identifier   = {70786551},
}