TY  - BOOK
AU  - Smith, David
AU  - Neyfitz, Nathan
TI  - Mathematical demography: selected papers
U1  - 312 SMM 
PY  - 1977///
CY  - N.Y.
PB  - Springer- Verlag
KW  - Vital Statistics, Population
N1  - Includes bibliog, illus( Bio-mathematics Nol. No.6)
ER  -