Timothy R. S. Walsh. Counting non-isomorphic three-connected planar maps. Journal of Combinatorial Theory, Series A, 32(1):33-44, 1982. [doi]
@article{Walsh82b, title = {Counting non-isomorphic three-connected planar maps}, author = {Timothy R. S. Walsh}, year = {1982}, doi = {10.1016/0095-8956(82)90074-0}, url = {http://dx.doi.org/10.1016/0095-8956(82)90074-0}, researchr = {https://researchr.org/publication/Walsh82b}, cites = {0}, citedby = {0}, journal = {Journal of Combinatorial Theory, Series A}, volume = {32}, number = {1}, pages = {33-44}, }