Electronic Resource
Kneller, George F.
;
Nestvogel, Renate
;
Jallade, Jean-Pierre
;
[et al.]
Lenhart, Volker
;
Carron, Gabriel
;
Liesch, J. R.
;
Wall, W. D.
;
Schriewer, Jürgen
;
Paul, Dale C.
;
Platt, William J.
;
Köhler, Joachim
;
Postlethwaite, T. Neville
;
Buckley, D. La Verne
Springer
International review of education
24 (1978), S. 81-106