Author Details
Zinin, N. A.
Issue | Section | Title | File |
Vol 53, No 4 (1972) | Articles | About the numerical ratio of the sexes of newborns |
(Rus) |
Issue | Section | Title | File |
Vol 53, No 4 (1972) | Articles | About the numerical ratio of the sexes of newborns |
(Rus) |