1. and : Tumors of bone and cartilage. In Atlas of Tumor Pathology, fasc 4. Washington, D.C., Armed Forces Institute of Pathology, 1962; p. 25.
2. : Personal communication.
3. Chondrosarcoma of Bone—A Study of Two Hundred and Eighty-eight Cases
4. : Tumor and Tumorous Conditions of the Bones and Joints. Philadelphia, Lea & Febiger, 1958; p. 326.
5. : Bone Tumors, 3rd ed. St. Louis, C. V. Mosby Company, 1965; p. 182.