Rissanen, Pentti M. “The Surgical Anatomy and Pathology of the Supraspinous and Interspinous Ligaments of the Lumbar Spine With Special Reference to Ligament Ruptures”. Acta Orthopaedica 31, no. sup46 (September 1, 1960): 3–100. Accessed April 30, 2026. https://actaorthop.org/actao/article/view/30515.