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Die Energieversorgung Bayerns : Bericht über d. Entwicklung d. bayerischen Energiewirtschaft mit Energiebilanz
(1993)
Energy statistics of OECD countries
(2015)
IEA oil market report : a monthly oil market and stocks assessment
(1990)
Climate change policy initiatives
(1992)
Russian energy prices, taxes and costs
(1994)