Resonance vs. Resonation

Resonation is a technical term related to voice production. https://books.google.co.uk/books?id=GVeGnVinMa0C&pg=PA271&dq=%22resonation%22&hl=en&sa=X&ei=G7OZVZKGMMXxUq_QgYgH&ved=0CCoQ6AEwAg#v=onepage&q=%22resonation%22&f=false