Pols, L. C. W. (1990). How useful are speech databases for rule synthesis development and assessment? In Proceedings International Conference on Spoken Language Processing ICSLP 90, Kobe. Vol. 2 (pp. 1289-1292)
Pols, L. C. W. (1990). Standardized synthesis evaluation methods. In Proceedings International Workshop on International Coordination and Standardization of Speech Database and Assessment Techniques for Speech Input/Output, Nov. 23-24, 1990 (pp. 53-60)
Tavecchio, L. W. C., Dijkstra, F. E. M., Oomen-v.d.Kerkhof, H. W., Roorda-Honée, J. M., & Thomeer-Bouwens, M. A. E. (1990). Vooronderzoek ontwikkeling en toepassing diagnosticum. Vakgroep Algemene Pedagogiek.
van Schie, E. C. M., & van der Pligt, J. (1990). Problem representation, frame preference and risky choice. Acta Psychologica, 95, 243-259.
Leerssen, J. T. (1990). On the treatment of Irishness in romantic Anglo-Irish fiction. Irish University review, 20, 251-263.
Bal, M. G. (1990). Verf en verderf : lezen in Rembrandt. Prometheus.
Junger, M., & Polder, W. (1990). Godsdienst en criminaliteit. Justitiële Verkenningen, 16, 44-67.
van Bezooijen, R., & Pols, L. C. W. (1990). Evaluating text-to-speech systems: some methodological aspects. In L. C. W. Pols (Ed.), Speech input/ouput assessment and speech databases (pp. 263-270). (Speech communication; No. 9 : 4). Nortth-Holland.
Pols, L. C. W. (1990). Improving synthetic speech quality by systematic evaluation. In H. Fujisaki (Ed.), research toward advanced man-machine interface through spoken language (pp. 445-453). Steering Group of the Priority Area Reseach "Advanced man-machine interface through spoken language.
Junger, M. (1990). Delinquency and ethnicity. An investigation on social factors relating to delinquency among Moroccan, Turkish, Surinamese and Dutch boys. Kluwer Law and Taxation Publishers.