TY  - BOOK
AU  - Gruijter,Dato N.M.de
AU  - Kamp,Leo J.Thvan der
ED  - International Symposium on Educational Testing
TI  - Advances in psychological and educational measurement
SN  - 0471018171
PY  - 1976///
CY  - London
PB  - Wiley
KW  - Educational tests and measurements
KW  - Congresses
KW  - Educational measurement
N1  - Proceedings of the Symposium sponsored by the Educational Research Centre of the University of Leyden; Includes bibliographical references
ER  -