The wind at work - Gretchen Woelfle

an activity guide to windmills

KORTE INHOUD

An introduction to windmills and their advantages as renewable energy providers, with activities for understanding some of the principles of wind.
1997Taal: Engelszie alle details...

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1997Uitgever: Chicago Review Press144 paginasTaal: EngelsISBN-10: 1556523084ISBN-13: 9781556523083

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