@article{10_37236_1261,
     author = {Guo-Niu Han},
     title = {Bipartition orders and statistics on words},
     journal = {The electronic journal of combinatorics},
     year = {1996},
     volume = {3},
     number = {2},
     doi = {10.37236/1261},
     zbl = {0854.05005},
     url = {http://geodesic.mathdoc.fr/articles/10.37236/1261/}
}