共 2 条
[1]
Renewable energy policies in Europe: Converging or diverging?.[J].Lena Kitzing;Catherine Mitchell;Poul Erik Morthorst.Energy Policy.2012,
[2]
State of the art and prospects of Italian biogas production from animal sewage: Technical-economic considerations.[J].C. Tricase;M. Lombardi.Renewable Energy.2008, 3

