TY  - BOOK
A1  - Schröder, Eberhard
A1  - Bödeker, Katja
A1  - Edelstein, Wolfgang
T1  - The development of concrete thought : a manual including measurement procedures and descriptive analyses
T2  - Materialien aus der Bildungsforschung
Y1  - 2000
UR  - https://publishup.uni-potsdam.de/frontdoor/index/index/docId/19245
SN  - 3-87985-079-8
VL  - 67
PB  - Max-Planck-Inst. für Bildungsforschung
CY  - Berlin
ER  -