Best billiard ball in the 19th century: Composite materials made of celluloid and bone as substitutes for ivoryDOI: info:10.1093/pnasnexus/pgad360v. 2No. 11
Neves, Artur, Friedel, Robert, Melo, Maria J., Callapez, Maria Elvira, Vicenzi, Edward P., and Lam, Thomas. 2023. "Best billiard ball in the 19th century: Composite materials made of celluloid and bone as substitutes for ivory." PNAS Nexus, 2, (11). https://doi.org/10.1093/pnasnexus/pgad360.