7 O-rgyan-'jigs-med-chos-kyi-dbaṅ-po Brunnhölzl, Karl [Übers.] 2012 Groundless Paths: the Prajñāparāmitā Sutras, The Ornament of Clear Realization, and its Commentaries in the Tibetan Nyingma Tradition The Tsadra Foundation series Ithaca, NY Snow Lion Publications 893 S 978-1-559-39375-1 Buddhismus, Mahayana, Tibet http://www.indologica.de/drupal/?q=node/2150