Kathie Cameron, Horst Sachs. Monotone Path Systems in Simple Regions. Combinatorica, 14(1):1-21, 1994.
@article{CameronS94, title = {Monotone Path Systems in Simple Regions}, author = {Kathie Cameron and Horst Sachs}, year = {1994}, researchr = {https://researchr.org/publication/CameronS94}, cites = {0}, citedby = {0}, journal = {Combinatorica}, volume = {14}, number = {1}, pages = {1-21}, }