@article{AM2_1983__26_136982,
     author = {C.E. Praeger and Anne Penfold Street},
     title = {Characterisation of some sparse binary sequential arrays.},
     journal = {Aequationes mathematicae},
     pages = {54--58},
     publisher = {mathdoc},
     volume = {26},
     year = {1983},
     zbl = {0543.05014},
     url = {http://geodesic.mathdoc.fr/item/AM2_1983__26_136982/}
}