References
- World Contraceptive Use 1994 UN Department for Economic and Social Information and Policy Analysis Population DivisionNew York.
- L. Liskin. Population Reports. 1991 and 1992
- China Family Planning Year Book, 1992; State Family Planning Committee: Beijing.
- Brief Introduction to Population and Family Planning in Sichuan, 1992; Sichuan Family Planning Commission.
- These were promulgated in response to a population birth peak, to help to reduce the population growth rate. They were formulated to encourage the use of contraception, later marriages and later childbearing, strictly control early marriage, early births and births outside marriage, and provide awards and incentives such as insurance for those who have one child only.