1
Main Authors:
Published: Vlg. Technik,
Publication Dates: 1971.
Call Number: X920.62/CN478
Published: Vlg. Technik,
Publication Dates: 1971.
Call Number: X920.62/CN478
2
Group Author:
Published: VEB Verlag Enzyklopädie,
Publication Dates: 1984.
Call Number: H334.1/D486/
;
Published: VEB Verlag Enzyklopädie,
Publication Dates: 1984.
Call Number: H334.1/D486/