S. Embretson

Additive Multilevel Item Structure Models with Random Residuals: Item Modeling for Explanation and Item Generation

P. Boeck, S. Rabe-Hesketh, Sun-Joo Cho, 2014, Psychometrika.

Component Latent Trait Models for Test Design.

S. Embretson, Susan Whitely Embretson, Susan Embretson, 1982 .