@article{10_37236_2060,
     author = {Mikl\'os B\'ona},
     title = {Surprising symmetries in objects counted by {Catalan} numbers},
     journal = {The electronic journal of combinatorics},
     year = {2012},
     volume = {19},
     number = {1},
     doi = {10.37236/2060},
     zbl = {1243.05006},
     url = {http://geodesic.mathdoc.fr/articles/10.37236/2060/}
}