@article{10_37236_531,
     author = {Mark Dukes and V{\'\i}t Jel{\'\i}nek and Martina Kubitzke},
     title = {Composition matrices, \((2+2)\)-free posets and their specializations},
     journal = {The electronic journal of combinatorics},
     year = {2011},
     volume = {18},
     number = {1},
     doi = {10.37236/531},
     zbl = {1290.05021},
     url = {http://geodesic.mathdoc.fr/articles/10.37236/531/}
}