256590 20260210174649.0 I:(DE-RON)26ss-81.49573 I:(DE-RON)26ss-81.49573 I:(DE-RON) Kostenmanagementsysteme (VO) [26ss-81.49573] 26ss-81.49573 d I:(DE-RON)26ss Sommersemester 2026 t oai:reserves.ub.rwth-aachen.de:256590 authority:INSTITUTE authority I AUTHORITY