@article{10_37236_1562,
     author = {James Propp},
     title = {A reciprocity theorem for domino tilings},
     journal = {The electronic journal of combinatorics},
     year = {2001},
     volume = {8},
     number = {1},
     doi = {10.37236/1562},
     zbl = {0982.05012},
     url = {http://geodesic.mathdoc.fr/articles/10.37236/1562/}
}