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  Experimental enquiries concerning the principle of the lateral communication ... - Giovanni Battista Venturi - Google Books

  https://books.google.de/books?id=YHhbAAAAQAAJ

  Keine Beschreibung vorhanden.

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  Changing with families: a book about further education for being human - Richard Bandler, John Grinder, Virginia Satir - Google Books

  https://books.google.de/books?id=fy1sAAAAMAAJ&q=Changing+With+Families&dq=Changing+With+Families&hl=en&sa=X&ved=0CBwQ6AEwAGoVChM

  Keine Beschreibung vorhanden.

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  The Edinburgh Journal of Science - Google Books

  https://books.google.de/books?id=z0UEAAAAYAAJ

  Keine Beschreibung vorhanden.

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