David Callan. Klazar trees and perfect matchings. Eur. J. Comb., 31(5):1265-1282, 2010. [doi]
@article{Callan10,
title = {Klazar trees and perfect matchings},
author = {David Callan},
year = {2010},
doi = {10.1016/j.ejc.2009.11.004},
url = {http://dx.doi.org/10.1016/j.ejc.2009.11.004},
researchr = {https://researchr.org/publication/Callan10},
cites = {0},
citedby = {0},
journal = {Eur. J. Comb.},
volume = {31},
number = {5},
pages = {1265-1282},
}