@article{10_4064_fm203_2_2,
     author = {Alfredo Poirier},
     title = {Critical portraits for postcritically finite polynomials},
     journal = {Fundamenta Mathematicae},
     pages = {107--163},
     publisher = {mathdoc},
     volume = {203},
     number = {2},
     year = {2009},
     doi = {10.4064/fm203-2-2},
     language = {en},
     url = {http://geodesic.mathdoc.fr/articles/10.4064/fm203-2-2/}
}