@article{10_4153_CJM_1970_067_9,
     author = {Goethals, J. M. and Seidel, J. J.},
     title = {Strongly {Regular} {Graphs} {Derived} from {Combinatorial} {Designs}},
     journal = {Canadian journal of mathematics},
     pages = {597--614},
     year = {1970},
     volume = {22},
     number = {3},
     doi = {10.4153/CJM-1970-067-9},
     url = {http://geodesic.mathdoc.fr/articles/10.4153/CJM-1970-067-9/}
}