TY  - BOOK
AU  - Ingenkamp, Karlheinz (ed)
TI  - Developments in educational testing: Volume 1 the proceedings of an international conference held under the aegis of the padagogisches zentrum, berlin
SN  - 340 09464 8
U1  - 371.26 Ing 
PY  - 1969///
CY  - University of london press ltd, London
ER  -