@article{10_37236_2150,
     author = {Mireille Bousquet-M\'elou and Guillaume Chapuy},
     title = {The vertical profile of embedded trees},
     journal = {The electronic journal of combinatorics},
     year = {2012},
     volume = {19},
     number = {3},
     doi = {10.37236/2150},
     zbl = {1253.05081},
     url = {http://geodesic.mathdoc.fr/articles/10.37236/2150/}
}