Pfeiffer's Introduction to Biodynamics(English, Paperback, Pfeiffer Ehrenfried E.)
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Ehrenfried Pfeiffer was a pioneer of biodynamics in North America. This short but comprehensive book is a collection of three key articles introducing the concepts, principles and practice of the biodynamic method, as well as an overview of its early history. The book also includes a short biography of Ehrenfried Pfeiffer by Herbert H. Koepf.
