@article{CMUC_1974_15_1_a5,
     author = {Lindner, Charles C. and Straley, Tina H.},
     title = {A note on nonisomorphic {Steiner} quadruple systems},
     journal = {Commentationes Mathematicae Universitatis Carolinae},
     pages = {69--74},
     year = {1974},
     volume = {15},
     number = {1},
     mrnumber = {0335297},
     zbl = {0281.05011},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/CMUC_1974_15_1_a5/}
}