The situation in biological science: proceedings of the Lenin Academy of Agricultural Sciences of the U. S. S. R., July 31-August 7, 1948 (Book) - Moscow Foreign Languages Publishing House 1949 - 631 p. 23 cm. Subjects--Topical Terms: Biology--Congresses Heredity--Congresses Universal Decimal Class. No.: 57 (061.3)(47) SIT / 15014