Ray, Gary L.(2005). The Northern Ch'an School and Sudden Versus Gradual Enlightenment Debates in China and Tibet. Source: [1]Archived 2008-07-25 at the Wayback Machine (accessed: December 2, 2007)
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Ray, Gary L.(2005). The Northern Ch'an School and Sudden Versus Gradual Enlightenment Debates in China and Tibet. Source: [1]Archived 2008-07-25 at the Wayback Machine (accessed: December 2, 2007)
