TY  - BOOK
AU  - Piotrow, Phyllis T
AU  - Tapinos, Georges
TI  - Six billion people
SN  - 70628777
CY  - New York
KW  - Demographic perspectives
KW  - Fertility trends
KW  - Poipulation
KW  - Population forecaslting
KW  - Population policy
ER  -