1. Fine G., Stout A.P., 1956: Osteogenic sarcoma of the extraskeletal soft tissues. Cancer, 9, 1027–1043.
2. Kauffman S.L., Stout A.P., 1963: Extraskeletal osteogenic sarcomas and chondrosarcomas in children. Cancer, 16, 432–439.
3. Das
Gupta T.K., Hajdu S.I., Foote F.W. Jr., 1968: Extraosseous osteogenic sarcoma. Ann. Surg., 168, 1011–1122.
4. Allan C.J., Soule E.H., 1971: Osteogenic sarcoma of the somatic soft tissues. Clinicopathologic study of 26 cases and review of the literature. Cancer; 27, 1121–1133.
5. Wurlitzer F., Ayala A., Romsdahl M., 1972: Extraosseous osteogenic sarcoma. Arch. Surg., 105, 691–695. 1973