TY - BOOK AU - Rasch, G. ED - Danish Institute for educational Research. TI - Probabilistic models for some intelligence and attainment tests U1 - MISR 153.93 RAS PY - 1960/// CY - Copenhagen, Denmark PB - Paedagogiske Institut KW - Mental tests KW - Methodology KW - Psychology KW - Mathematical models N1 - Includes bibliographical references ER -