Source

source_398781
	has ISBN  3-329-00609-9,
	has URL  http://resolver.sub.uni-goettingen.de/purl?PPN514402644_1990,
	has subtitle  35. Jahrgang,
	has title  Statistisches Jahrbuch der Deutschen Demokratischen Republik 1990,
	was published by  Statistisches Amt der DDR;