@article{10_37236_9474, author = {Jim Propp}, title = {Lattice structure for orientations of graphs}, journal = {The electronic journal of combinatorics}, year = {2025}, volume = {32}, number = {4}, doi = {10.37236/9474}, zbl = {8120112}, url = {http://geodesic.mathdoc.fr/articles/10.37236/9474/} }