Mihai Ciucu. A visual proof of a result of Knuth on spanning trees of Aztec diamonds in the case of odd order. Discrete Mathematics, 307(15):1957-1960, 2007. [doi]
@article{Ciucu07,
title = {A visual proof of a result of Knuth on spanning trees of Aztec diamonds in the case of odd order},
author = {Mihai Ciucu},
year = {2007},
doi = {10.1016/j.disc.2006.10.006},
url = {http://dx.doi.org/10.1016/j.disc.2006.10.006},
researchr = {https://researchr.org/publication/Ciucu07},
cites = {0},
citedby = {0},
journal = {Discrete Mathematics},
volume = {307},
number = {15},
pages = {1957-1960},
}