@incollection{Akiyama_2015,
    doi = {10.1007/978-3-0348-0903-0_2},
    url = {https://doi.org/10.1007%2F978-3-0348-0903-0_2},
    year = {2015},
    publisher = {Springer Basel},
    pages = {33--72},
    author = {S. Akiyama and M. Barge and V. Berth{\'{e}} and J.-Y. Lee and A. Siegel},
    title = {On the Pisot Substitution Conjecture},
    booktitle = {Mathematics of Aperiodic Order}
}

@incollection{Akiyama_2015, doi = {10.1007/978-3-0348-0903-0_2}, url = {https://doi.org/10.1007%2F978-3-0348-0903-0_2}, year = {2015}, publisher = {Springer Basel}, pages = {33--72}, author = {S. Akiyama and M. Barge and V. Berth{\'{e}} and J.-Y. Lee and A. Siegel}, title = {On the Pisot Substitution Conjecture}, booktitle = {Mathematics of Aperiodic Order} }