@article{Socolar_2007,
    doi = {10.1007/bf02986203},
    url = {https://doi.org/10.1007%2Fbf02986203},
    year = {2007},
    month = {mar},
    publisher = {Springer Science and Business Media {LLC}},
    volume = {29},
    number = {2},
    pages = {33--38},
    author = {Joshua E. S. Socolar},
    title = {More ways to tile with only one shape polygon},
    journal = {The Mathematical Intelligencer}
}

@article{Socolar_2007, doi = {10.1007/bf02986203}, url = {https://doi.org/10.1007%2Fbf02986203}, year = {2007}, month = {mar}, publisher = {Springer Science and Business Media {LLC}}, volume = {29}, number = {2}, pages = {33--38}, author = {Joshua E. S. Socolar}, title = {More ways to tile with only one shape polygon}, journal = {The Mathematical Intelligencer} }