Tolong jelaskan mengenai Rujuakan dari Tanah ulayat dalam bahasa minangkabau

von Benda-Beckmann, Franz (1979). Property in Social Continuity: Continuity and Change in the Maintenance of Property Relationships through Time in Minangkabau, West Sumatra. The Hague: Martinus Nijhoff. ISBN 978-90-04-28717-4.