@techreport{König1988,
author = {König, W. and Lüttinger, P. and Müller, W.},
title= {A comparative analysis of the development and structure of educational systems: Methodological foundations and the construction of a comparative educational scale},
year = {1988},
publisher = {Universität Mannheim, Institut für Sozialwissenschaften},
address = {Mannheim},
number = {CASMIN Working Paper 12},
}