Frejka, T. and Calot, G. (2001). Cohort reproductive patterns in low-fertility countries. Population and Development Review 27(1): 103-132.

Frejka, T. and Sardon, J.-P. (2004). Childbearing trends and prospects in low-fertility countries: A cohort analysis. Dorbrecht: Kluwer Academic Publishers.

Frejka, T. and Sardon, J.-P. (eds.) (2005). The direction of contemporary fertility trends in the developed countries: Further decline, plateau or upswing? Tours, France (Proceedings of the XXV IUSSP International Conference).

Hajnal, J. (1947). The analysis of birth statistics in the light of the recent international recovery of the birth-rate. Population Studies 1(2): 137-164.

Henry, L. (1953). Fécondité des mariages: nouvelle méthode de mesure. (Travaux et Documents, Cahier n° 16, INED-PUF).

Kim, Y.J. and Schoen, R. (2000). On the quantum and tempo of fertility: Limits to the Bongaarts-Feeney adjustment. Population and Development Review 26(3): 554-559.

Kohler, H.-P., Billari, F.C., and Ortega, J.A. (2002). The emergence of lowest-low fertility in Europe during the 1990s. Population and Development Review 28(4): 641-680.

Kohler, H.-P. and Philipov, D. (2001). Variance effects in the Bongaarts-Feeney formula. Demography 38(1): 1-16.

Philipov, D. and Kohler, H.-P. (2001). Tempo effects in the fertility decline in Eastern Europe: Evidence from Bulgaria, the Czech Republic, Hungary, Poland, and Russia. European Journal of Population 17(1): 37-60.

Ryder, N.B. (1951). The Cohort Approach. New York: Arno Press.

Ryder, N.B. (1986). Observations on the history of cohort fertility in the United States. Population and Development Review 12(4): 617-643.

Schoen, R. (2004). Timing effects and the interpretation of period fertility. Demography 41(4): 801-819.

Sobotka, T. (2003). Tempo-quantum and period-cohort interplay in fertility changes in Europe. Evidence from the Czech Republic, Italy, the Netherlands and Sweden. Demographic Research 8(6): 151–214.

Sobotka, T. (2004). Is lowest-low fertility in Europe explained by the postponement of childbearing? Population and Development Review 30(2): 195-220.

Van Imhoff, E. and Keilman, N. (2000). On the quantum and tempo of fertility: Comment. Population and Development Review 26(3): 549-553.

Whelpton, P.K. (1954). Cohort fertility: Native white women in the United States. Princeton, N.J.: Princeton University Press.

Yi, Z. and Land, K.C. (2001). A sensitivity analysis of the Bongaarts-Feeney method for adjusting bias in observed period total fertility rates. Demography 38(1): 17-28.