TY - RPRT A1 - König, W. A1 - Lüttinger, P. A1 - Müller, W. T1 - A comparative analysis of the development and structure of educational systems: Methodological foundations and the construction of a comparative educational scale Y1 - 1988 PB - Universität Mannheim, Institut für Sozialwissenschaften CY - Mannheim IS - CASMIN Working Paper 12 ER -