@article{10_37236_988,
     author = {Neil A. McKay and David A. Pike},
     title = {Existentially closed {BIBD} block-intersection graphs},
     journal = {The electronic journal of combinatorics},
     year = {2007},
     volume = {14},
     doi = {10.37236/988},
     zbl = {1158.05011},
     url = {http://geodesic.mathdoc.fr/articles/10.37236/988/}
}