@article{10_37236_201,
     author = {Richard W. Kenyon and David B. Wilson},
     title = {Combinatorics of tripartite boundary connections for trees and dimers},
     journal = {The electronic journal of combinatorics},
     year = {2009},
     volume = {16},
     number = {1},
     doi = {10.37236/201},
     zbl = {1225.60020},
     url = {http://geodesic.mathdoc.fr/articles/10.37236/201/}
}