@article{10_37236_5579,
     author = {D. Cook II and Uwe Nagel},
     title = {Signed lozenge tilings},
     journal = {The electronic journal of combinatorics},
     year = {2017},
     volume = {24},
     number = {1},
     doi = {10.37236/5579},
     zbl = {1360.52014},
     url = {http://geodesic.mathdoc.fr/articles/10.37236/5579/}
}