TY  - BOOK
AU  - Gruijter,Dato N.de
AU  - Kamp,Leo J.Thvan der
ED  - International Symposium on Educational Testing,
ED  - Leyden.
TI  - Advances in psychological and educational measurement
SN  - 0471018171
U1  - 371.26 
PY  - 1976///
CY  - London
PB  - John Wiley
KW  - Educational tests and measurements
KW  - Congresses
N1  - Includes indexes; Proceedings of the Symposium sponsored by the Educational Research Centre of the University of Leyden
ER  -