Knut Deimer. A new upper bound for the length of snakes. Combinatorica, 5(2):109-120, 1985. [doi]
@article{Deimer85, title = {A new upper bound for the length of snakes}, author = {Knut Deimer}, year = {1985}, doi = {10.1007/BF02579373}, url = {http://dx.doi.org/10.1007/BF02579373}, researchr = {https://researchr.org/publication/Deimer85}, cites = {0}, citedby = {0}, journal = {Combinatorica}, volume = {5}, number = {2}, pages = {109-120}, }