1
Handbook of clean energy systems . 1 . Renewable energy /
Book
2
The yearbook of renewable energies 1994.
Book
3
Jahresbericht / erneuerbare Energiequellen rationelle Energieverwendung: 1991.
Book
1992
4
Jahresbericht / erneuerbare Energiequellen rationelle Energieverwendung: 1992.
Book
1993
5
Jahresbericht / erneuerbare Energiequellen rationelle Energieverwendung: 1994.
Book
1995
6
Future energy : improved, sustainable and clean options for our planet /
Book
7
Erneuerbare Energien: Erzeugung, Speicherung, Einsatzmöglichkeiten.
Book
8
Erneuerbare Energieträger in Deutschland : Potentiale und Kosten /
Book
9
Advanced renewable energy sources /
Book
Table of Contents 
10
ISES Solar World Congress. 1993,8. Biomass, agriculture, wind : proceedings Budapest, 23. - 8.93.
Book
11
National conference on renewable energy sources 0003: special issue: summaries of papers : Salonika, 09.11.88-11.11.88.
Book
12
National conference on renewable energy sources 0004: special issue: summaries of papers : Salonika, 08.10.92-08.10.92.
Book
13
Small-scale renewable energy systems : independent electricity for community, business and home /
Book
14
Renewable energy engineering and technology : principles and practice /
Book
15
Renewable energies : business outlook 2050 /
Book
16
Regenerative Energietechnik : Überblick über ausgewählte Technologien zur nachhaltigen Energieversorgung /
Book
17
Materials challenges in alternative and renewable energy . 2 . A collection of papers presented at the Materials Challenges in Alternative and Renewable Energy Conference, February 26-March 1, 2012, Clearwater, Florida /
Book
18
Regenerative Energiequellen : Lehrbuch /
Book
19
Advances in clean energy technologies /
Book