@article{10_4153_CJM_1979_007_3,
     author = {Harary, F. and Robinson, R. W.},
     title = {Labeled {Bipartite} {Blocks}},
     journal = {Canadian journal of mathematics},
     pages = {60--68},
     year = {1979},
     volume = {31},
     number = {1},
     doi = {10.4153/CJM-1979-007-3},
     url = {http://geodesic.mathdoc.fr/articles/10.4153/CJM-1979-007-3/}
}