@article{DMTCS_2009_special_256_a39,
     author = {Berg, Chris},
     title = {The {Ladder} {Crystal}},
     journal = {Discrete mathematics & theoretical computer science},
     year = {2009},
     volume = {DMTCS Proceedings vol. AK, 21st International Conference on Formal Power Series and Algebraic Combinatorics (FPSAC 2009)},
     doi = {10.46298/dmtcs.2717},
     language = {en},
     url = {http://geodesic.mathdoc.fr/articles/10.46298/dmtcs.2717/}
}