The Xianyang shengjiao lun song; （Exposition of the a^rya Teachings， Verse Treatise）; T 1603.31.583-588. By Asan%ga 无著， translation by Xuanzang 玄奘 completed on July 8， 645 at Hongfu Monastery. Asan%ga text based on the Yoga^ca^bhu^mi 瑜伽论. Digna^ga 阵那 is said to have written a commentary， titled Yoga^vata^ra， not extant， on its ninth chapter. Also