1. : Tumors and Tumorous Conditions of the Bones and Joints. Philadelphia, Lea and Febiger, 1959; p. 451.
2. : Zarys onkologii, Pathology of Tumors. In PZWL, Warszawa, 1955; pp. 91, 99.
3. : Abstracts of Papers, VIII International Cancer Congress. Medgiz. Moscow, Publ. House, 1962; p. 262.
4. Chordoid Sarcoma