%0 Journal Article %A Andrew Gainer-Dewar %A Ira M. Gessel %T Enumeration of bipartite graphs and bipartite blocks %J The electronic journal of combinatorics %D 2014 %V 21 %N 2 %U http://geodesic.mathdoc.fr/articles/10.37236/3254/ %R 10.37236/3254 %F 10_37236_3254