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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; Организация на обединените нации; Икономическа комисия на Европа
Copyright responsibility: United Nations Economic Commission for Europe
Year published: 2020
Publishing house: United Nations;Geneva;
ISBN: 978-92-1-117235-5
Pages: XII, 64 p.
Series: UNECE Energy Series
Language: англ.
Signature: IO/UNECE/T/Ч
ID: NSI010015191
Pages: