On hierarchies and hierarchical classes models. - Iven Van Mechelen; Seymour Rosenberg; Paul De Boeck (Mathematical Hierarchies and Biology, 1996)

Exploring the posterior of a hierarchical IRT model for item effects. - Rianne Janssen; Paul De Boeck (Comput. Stat., 2000)

Sorting Data: Collection and Data Analysis, by A. P. M. Coxon. - Paul De Boeck (J. Classif., 2001)

Constrained Latent Class Analysis of Three-Way Three-Mode Data. - Michel Meulders; Paul De Boeck; Peter Kuppens; Iven Van Mechelen (J. Classif., 2002)

Numerical integration in logistic-normal models. - Jorge González; Francis Tuerlinckx; Paul De Boeck; Ronald Cools (Comput. Stat. Data Anal., 2006)