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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
Copyright responsibility: United Nations Economic Commission for Europe
Year published: 2016
Publishing house: United Nations;New York-Geneva
ISBN: 978-92-1-016372-9
Pages: VIII, 163 p.
Series: UNECE Energy Series
Language: англ.; рус.; фр.
Signature: IO/UNECE/T/Ч
ID: NSI010014696
Pages: