@article{10_37236_1116,
     author = {Guantao Chen and Joan P. Hutchinson and Ken Keating and Jian Shen},
     title = {Characterization of \([1,k]\)-bar visibility trees},
     journal = {The electronic journal of combinatorics},
     year = {2006},
     volume = {13},
     doi = {10.37236/1116},
     zbl = {1110.05104},
     url = {http://geodesic.mathdoc.fr/articles/10.37236/1116/}
}