@inbook{8ad2d5e04a3a4e22aed425153f8fc100,
title = "Building IRT models from scratch: graphical models, exchangeability, marginal freedom, scale types, and latent traits",
author = "H. Kelderman",
year = "2005",
language = "English",
isbn = "0805847286",
series = "Quantitative methodology series",
publisher = "Lawrence Erlbaum",
pages = "204--239",
editor = "{van der Ark}, L.A. and M.A. Croon and K. Sijtsma",
booktitle = "New developments in categorial data analysis for the social and behavioral sciences",
}