@article{Ruecker_1991,
    doi = {10.1021/ci00001a022},
    url = {https://doi.org/10.1021%2Fci00001a022},
    year = {1991},
    month = {feb},
    publisher = {American Chemical Society ({ACS})},
    volume = {31},
    number = {1},
    pages = {123--126},
    author = {Gerta. Ruecker and Christoph. Ruecker},
    title = {On using the adjacency matrix power method for perception of symmetry and for isomorphism testing of highly intricate graphs},
    journal = {Journal of Chemical Information and Computer Sciences}
}

@article{Ruecker_1991, doi = {10.1021/ci00001a022}, url = {https://doi.org/10.1021%2Fci00001a022}, year = {1991}, month = {feb}, publisher = {American Chemical Society ({ACS})}, volume = {31}, number = {1}, pages = {123--126}, author = {Gerta. Ruecker and Christoph. Ruecker}, title = {On using the adjacency matrix power method for perception of symmetry and for isomorphism testing of highly intricate graphs}, journal = {Journal of Chemical Information and Computer Sciences} }