Morbidity and mortality from malignant neoplasms in the U.S.S.R. /
Union of Soviet Socialist Republics (Russia). - Ministry of Health. - Department of Medical Statistics. - Institute of Oncology.
Merkova, A. M.
Tserkovnogo, G. F.
Kaufman, B. D.
Dean, J. G.
London, 
1963.