TY  - BOOK
AU  - Ingenkamp, Karlheinz
AU  - ill.
TI  - Developments in educational testing: the proceedings of an international conference held under the aegis of the padagogisches Zentrum, Berlin. Vol.1
AV  - LB1131.I59 Vol.1 
CY  - London
KW  - Educational tests and measurements
ER  -