Items where Institute is "Ned. Interdisc. Demografisch Instituut (NIDI)" and Year is 1990

Willekens, F.J. (1990) Beweging in de demografie. Inaugurele rede. University of Groningen, 13th March 1990. 33 p..

Willekens, F.J. (1990) Demographic forecasting. State-of-the-art and research needs. In: Emerging issues in demographic research/ ed by C.A. Hazeu and G.A.B. Frinking., (pp. 9-66).

Willekens, F.J. (1990) Synthetic biographies: extension of the multistate life table. In: Prospettive metodologiche nello studio della mobilita della popolazione/ ed. A. Bonaguidi, (pp. 83-98). A. Bonaguidi red..