21
Biogas plants in Europe: a practical handbook /
Book
22
Regenerative Energiequellen : Praktikum /
Book
23
European wind energy technology : State of the art of wind energy converters in the European Community.
Book
24
Renewable energy : its physics, engineering, use, environmental impacts, economy and planning aspects /
Book
25
Regenerative Energiesysteme : Grundlagen, Systemtechnik und Analysen ausgeführter Beispiele nachhaltiger Energiesysteme /
Book
26
Handbuch Regenerative Energietechnik /
Book
Table of Contents 
27
Energiesysteme: regenerativ und dezentral : Strategien für die Energiewende /
Book
28
Handbuch Netzintegration Erneuerbarer Energien : Netzanschluss, Stromerzeugungsanlagen und Regelung /
Book
29
Sustainable fuel technologies handbook /
Book
Table of Contents 
30
Environment, energy and climate change II : energies from new resources and the climate change /
Book
31
Renewable energy : its physics, engineering, use, environmental impacts, economy and planning aspects /
Book