Herzog, J., Khosh-Ahang, F., Moradi, S. and Rahimbeigi, M. 2020. Sortable Simplicial Complexes and $t$-Independence Ideals of Proper Interval Graphs. The Electronic Journal of Combinatorics. 27, 1 (Mar. 2020), P1.65. DOI:https://doi.org/10.37236/8860.