@article{10_4153_CJM_1998_040_8,
     author = {Godsil, C. D.},
     title = {Eigenpolytopes of {Distance} {Regular} {Graphs}},
     journal = {Canadian journal of mathematics},
     pages = {739--755},
     year = {1998},
     volume = {50},
     number = {4},
     doi = {10.4153/CJM-1998-040-8},
     url = {http://geodesic.mathdoc.fr/articles/10.4153/CJM-1998-040-8/}
}