@article{10_4153_CJM_1978_029_1,
     author = {Mathon, Rudolf},
     title = {Symmetric {Conference} {Matrices} of {Order} pq 2 + 1},
     journal = {Canadian journal of mathematics},
     pages = {321--331},
     year = {1978},
     volume = {30},
     number = {2},
     doi = {10.4153/CJM-1978-029-1},
     url = {http://geodesic.mathdoc.fr/articles/10.4153/CJM-1978-029-1/}
}