The GDR's economy in the '80s : requirements, problems, possibilities
著者
書誌事項
The GDR's economy in the '80s : requirements, problems, possibilities
（First-hand information / editors: Lilli Piater and Steffi Liedtke）
Panorama DDR, [1981]
The GDR's economy in the '80s : requirements, problems, possibilities
（First-hand information / editors: Lilli Piater and Steffi Liedtke）
Panorama DDR, [1981]