TY  - CHAP
A1  - Bardet, J-P. 
T1  - Innovators and imitators in the practice of contraception in town and country
Y1  - 1990
A3  - Van de Woude, A.
A3  - De Vries, J.
A3  - Hayami, A. 
T2  - Urbanization in history : a process of dynamic interactions
CY  - Oxford 
PB  - Clarendon Press
SP  - 264
EP  - -281

ER  -