TY  - BOOK
A1  - Wunsch, G.J. 
A1  - Termote, M.G. 
T1  - Introduction to demographic analysis. Principles and Methods
Y1  - 1978
DO  - 10.1007/978-1-4684-2373-0
CY  - New York
PB  - Plenum Press

ER  -