@article{10_4153_CJM_1994_010_7,
     author = {Colbourn, Charles J. and Gibbons, Peter B. and Mathon, Rudolf and Mullin, Ronald C. and Rosa, Alexander},
     title = {The {Spectrum} of {Orthogonal} {Steiner} {Triple} {Systems}},
     journal = {Canadian journal of mathematics},
     pages = {239--252},
     year = {1994},
     volume = {46},
     number = {2},
     doi = {10.4153/CJM-1994-010-7},
     url = {http://geodesic.mathdoc.fr/articles/10.4153/CJM-1994-010-7/}
}