1
Published: 1980
Superior document: Forschungsberichte des Zentralinstituts für Wirtschaftswissenschaften der Akademie der Wissenschaften der DDR 33
2
Published: [2022]
Superior document: Title is part of eBook package: De Gruyter DGBA Medicine and Life Sciences 1990 - 1999
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3
Published: [2022]
Superior document: Title is part of eBook package: De Gruyter DGBA Physical Sciences <1990
Links: Get full text; Get full text; Cover