Kerber, Michael; Sharathkumar, R. (2013). "Approximate Čech Complex in Low and High Dimensions". In Cai, Leizhen; Cheng, Siu-Wing; Lam, Tak-Wah (eds.). Algorithms and Computation. Lecture Notes in Computer Science. Vol. 8283. Berlin, Heidelberg: Springer. pp. 666–676. doi:10.1007/978-3-642-45030-3_62. ISBN978-3-642-45030-3. S2CID5770506.
Sheehy, Donald R. (June 2013). "Linear-Size Approximations to the Vietoris–Rips Filtration". Discrete & Computational Geometry. 49 (4): 778–796. doi:10.1007/s00454-013-9513-1.
Botnan, Magnus Bakke; Spreemann, Gard (March 2015). "Approximating persistent homology in Euclidean space through collapses". Applicable Algebra in Engineering, Communication and Computing. 26 (1–2): 73–101. doi:10.1007/s00200-014-0247-y.
Kerber, Michael; Sharathkumar, R. (2013). "Approximate Čech Complex in Low and High Dimensions". In Cai, Leizhen; Cheng, Siu-Wing; Lam, Tak-Wah (eds.). Algorithms and Computation. Lecture Notes in Computer Science. Vol. 8283. Berlin, Heidelberg: Springer. pp. 666–676. doi:10.1007/978-3-642-45030-3_62. ISBN978-3-642-45030-3. S2CID5770506.