@article{10_37236_3291,
     author = {Mitch Phillipson and Catherine H. Yan and Jean Yeh},
     title = {Chains of length 2 in fillings of layer polyominoes},
     journal = {The electronic journal of combinatorics},
     year = {2013},
     volume = {20},
     number = {3},
     doi = {10.37236/3291},
     zbl = {1295.05035},
     url = {http://geodesic.mathdoc.fr/articles/10.37236/3291/}
}