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![Book Book](https://www.nsi.bg/statlib/en/theme/images/unit_types/book.gif)
Collective author: United Nations Economic Commission for Europe; Икономическа комисия на Европа; Организация на обединените нации
Subtitle data: The ECE energy series. No.39
Copyright responsibility: United Nations Economic Commission for Europe
Year published: 2010
Publishing house: United Nations;New York-Geneva
ISBN: 1014-7225
Pages: 20 с.
Language: англ.
Signature: IO/UNECE/T/ХР2
ID: NSI010007107
![Book Book](https://www.nsi.bg/statlib/en/theme/images/unit_types/book.gif)
Collective author: United Nations Economic Commission for Europe; Икономическа комисия на Европа; Организация на обединените нации
Copyright responsibility: United Nations Economic Commission for Europe
Year published: 2017
Publishing house: United Nations;New York-Geneva
ISBN: 1014-7225
Pages: VI, 64 p.
Series: UNECE Energy Series
Language: англ.
Signature: IO/UNECE/T/Ч
ID: NSI010014692
Pages: