Demography through problems /
Keyfitz, Nathan, 1913-
Demography through problems / Nathan Keyfitz, John A. Beekman. - New York : Springer-Verlag, c1984. - viii, 141 p. : ill. ; 25 cm. - Problem books in mathematics. .
0387908366 9780387908366
Demography--Problems, exercises, etc
Probability & statistics
Population & demography
304.6
Demography through problems / Nathan Keyfitz, John A. Beekman. - New York : Springer-Verlag, c1984. - viii, 141 p. : ill. ; 25 cm. - Problem books in mathematics. .
0387908366 9780387908366
Demography--Problems, exercises, etc
Probability & statistics
Population & demography
304.6