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Building Biology:
The Study of the Impact of Building Environment Upon the Health of People

Helmut & Susanne Ziehe
            Helmut and Susanne Ziehe
Helmut is the founder of the Instititue of
Bau-biologie and Ecology in Clearwater, Fl 		Click here for larger image
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Dr Susan Lange's article on Building Biology
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Click here for entire article
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25 Principles of Building Biology
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