Linde, Matthijs van der, and Alfons Tonino. “Acetabular Revision With Impacted Grafting and a Reinforcement Ring: 42 Patients Followed for a Mean of 10 Years”. Acta Orthopaedica, vol. 72, no. 3, Jan. 2001, pp. 221-7, doi:10.1080/00016470152846510.