@article{ELA_2008__17__a18,
     author = {Severini, Simone and Sz\"oll\H{o}si, Ferenc},
     title = {A further look into combinatorial orthogonality},
     journal = {The electronic journal of linear algebra},
     pages = {376--388},
     publisher = {mathdoc},
     volume = {17},
     year = {2008},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/ELA_2008__17__a18/}
}