Fraser, Jonathan M., Kathryn E. Hare, Kevin G. Hare, Sasha Troscheit, and Han Yu. 2019. “The Assouad Spectrum and the Quasi-Assouad Dimension: A Tale of Two Spectra”. Annales Fennici Mathematici 44 (1):379–387. https://doi.org/10.5186/aasfm.2019.4419.