Padma-rig-rtsal, The great secret of mind : special instructions on the nonduality of Dzogchen. - Boston : Snow Lion, 2012. - xxxiv, 265 p. ill. 23 cm. ISBN: 9781559394017 LCCN: Subjects--Topical Terms: Rdzogs-chen. LC Class. No.: Dewey Class. No.: 294.342 RIG