Giovanni Lo Faro, Antoinette Tripodi. The intersection problem for twin bowtie and near bowtie systems. Ars Comb., 61, 2001.
@article{FaroT01, title = {The intersection problem for twin bowtie and near bowtie systems}, author = {Giovanni Lo Faro and Antoinette Tripodi}, year = {2001}, researchr = {https://researchr.org/publication/FaroT01}, cites = {0}, citedby = {0}, journal = {Ars Comb.}, volume = {61}, }