@article{10_4153_CJM_1994_002_3,
     author = {Brenti, Francesco and Royle, Gordon F. and Wagner, David G.},
     title = {Location of {Zeros} of {Chromatic} and {Related} {Polynomials} of {Graphs}},
     journal = {Canadian journal of mathematics},
     pages = {55--80},
     year = {1994},
     volume = {46},
     number = {1},
     doi = {10.4153/CJM-1994-002-3},
     url = {http://geodesic.mathdoc.fr/articles/10.4153/CJM-1994-002-3/}
}