@article{JAC_2002__15_2_a0,
     author = {van Dam, Edwin R. and Haemers, Willem H.},
     title = {Spectral characterizations of some distance-regular graphs},
     journal = {Journal of Algebraic Combinatorics},
     pages = {189--202},
     publisher = {mathdoc},
     volume = {15},
     number = {2},
     year = {2002},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/JAC_2002__15_2_a0/}
}