@article{JAC_2012__36_2_a6,
     author = {Ghorbani, Ebrahim},
     title = {Bipartite graphs with five eigenvalues and pseudo designs},
     journal = {Journal of Algebraic Combinatorics},
     pages = {209--221},
     publisher = {mathdoc},
     volume = {36},
     number = {2},
     year = {2012},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/JAC_2012__36_2_a6/}
}