TY - BOOK AU - Hambleton,Ronald K AU - Zeal,Jac N TI - Advances in educational and psychological testing: theory and applications SN - 0792390709 : U1 - 150.287 PY - 1991/// CY - Boston PB - Kluwer Academic Publishers KW - Psychological tests KW - Educational tests and measurements N1 - Includes index ER -