heat - Renewables Made in Germany
heat - Renewables Made in Germany
heat - Renewables Made in Germany
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What goals were reached s<strong>in</strong>ce 1990?<br />
Sun<br />
Sun<br />
Water<br />
Fuels Electricity Heat<br />
Kaltschmitt, Bohnenschäfer, Thrän, 2007<br />
Ref. 24 Energie,Bauen,Technik Dr. Waldemar Gruber 4