Energy, transport and environment indicators

Európska únia. Európska komisia. Energy, transport and environment indicators : 2018 edition. 2018 edition. Luxembourg : Publications Office of the European Union, 2018. 228 s. Statistical books. Dostupné na: https://doi.org/10.2785/326009. ISBN 978-92-79-96508-1. ISSN 1725-4566.