00581nam 2200181z- 450 99632083210331620160818152918.0(CKB)9870000000000589(EXLCZ)99987000000000058920131030c2013uuuu -u- -engReliability and Validity of RTR Measurement DeviceMannheimGESIS – Leibniz-Institut für SozialwissenschaftenPapastefanouGeorgios1016802BOOK996320832103316Reliability and Validity of RTR Measurement Device2381202UNISA