Opgenort, Jean Robert Grammar of zero: with a historical comparative study of the kiranti languages - Leiden Brill 2005 - xxv, 404 p. Includes bibliographical references and index. - Brill's Tibetan Studies Library . Bibliography: P .401-404; Appendix: P 217-399 ISBN: 9004145052 Source: General Book Subjects--Topical Terms: Sociology