TY  - GEN
AU  - Pollard, A.H.
AU  - Pollard, G.N.
AU  - Yusuf, Farhat
TI  - Demographic techniques
SN  - 0080173780
U1  - 304.607 2 POL 
CY  - Pergamon Press
KW  - Demography/ mortality/ fertility
ER  -