Mark N. Ellingham. Vertex-switching, isomorphism, and pseudosimilarity. Journal of Graph Theory, 15(6):563-572, 1991. [doi]
@article{Ellingham91,
title = {Vertex-switching, isomorphism, and pseudosimilarity},
author = {Mark N. Ellingham},
year = {1991},
doi = {10.1002/jgt.3190150602},
url = {http://dx.doi.org/10.1002/jgt.3190150602},
researchr = {https://researchr.org/publication/Ellingham91},
cites = {0},
citedby = {0},
journal = {Journal of Graph Theory},
volume = {15},
number = {6},
pages = {563-572},
}