Developments in educational testing: the proceedings of an international conference held under the aegis of the Pädagogisches Zentrum, Berlin; 16 - 25 May, 1967 /
edited by Karlheinz Ingenkamp.
- London, Univ. of London P., 1969.
- 2 v. : ill., forms.
Originally published as 'Möglichkeiten und Grenzen der Testanwendung in der Schule'. Berlin, Weinheim, 1968.