TY  - BOOK
AU  - Newell, Colin.
TI  - Methods and models in demography
SN  - 041719472961
U1  - 304.6 
PY  - 1988///
CY  - New York
PB  - Guilford Press
KW  - Demography
KW  - Mathematical models
N1  - Includes bibliographical references: p. [211]-214 and index
ER  -