TY  - RPRT
TI  - Multilevel IRT using dichotomous and polytomous response data.
AU  - J-P Fox
PY  - 2005
DO  - 10.1348/000711005x38951
UR  - https://pubmed.ncbi.nlm.nih.gov/15969844/
ID  - 15969844
ER  -