The links below take you to the documents.. Good information!
http://www.arda.org/Content/Navigati...Advisory_I.pdf
http://www.arda.org/Content/Navigati...dvisory_II.pdf
http://www.arda.org/Content/Navigati...Advisory_I.pdf
http://www.arda.org/Content/Navigati...dvisory_II.pdf
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