@misc {IOPORT.70913315,
    author       = {Broersma, Hajo and Golovach, Petr A. and Paulusma, Dani\"el and Song, Jian},
    title        = {On coloring graphs without induced forests},
    howpublished = {ISAAC (2), 156-167 (2010).},
    year         = {2010},
    doi          = {10.1007/978-3-642-17514-5_14},
    identifier   = {70913315},
}