TY - CHAP A1 - Bongaarts, J. A1 - Kirmeyer, S. T1 - The relationship between prevalence of contraceptive use and fertility Y1 - 1982 A3 - A., Hermalin A3 - B., Entwisle T2 - The Role of Surveys in the Analysis of Family Planning Programs CY - Liège, Belgium PB - Ordina Editions ER -