1. Aprin H, Roseborough EJ, Hall JE (1982) Chondrosarcoma in children and adolescents. Clin Orthoped 166:226
2. Feldman F (1977) Cartilagenous tumors and cartilage forming tumor-like conditions of the bones and soft tissues. In: Ranninger K (ed) Encyclopedia of Medical Radiology, Vol 5, Part 6, Springer, Berlin, p 83
3. Jaffe H (1958) Tumors and tumorous conditions of the bones and joints. Lea & Febiger, Philadelphia, p 314
4. Pope TL Jr, McLaughlin R, Wanebo HJ, Williamson BRJ, Fechner RE (1984) Case Report 281. Skeletal Radiol 12: 134
5. Remagen W, Nidecker A, Dolanc B (1986) Case Report 368. Skeletal Radiol 15:330