@article{10_4153_CJM_1975_122_4,
     author = {Lindner, C. C. and Rosa, A.},
     title = {Steiner {Triple} {Systems} {Having} a {Prescribed} {Number} of {Triples} in {Common}},
     journal = {Canadian journal of mathematics},
     pages = {1166--1175},
     year = {1975},
     volume = {27},
     number = {5},
     doi = {10.4153/CJM-1975-122-4},
     url = {http://geodesic.mathdoc.fr/articles/10.4153/CJM-1975-122-4/}
}