یو. سگستر
Sagaster, U. "Observations made during the month of Moharram, 1989, in Baltistan", Proceedings of the International Seminar on the Anthropology of Tibet and the Himalaya, Edited by C. Ramble and M. Brauen, Zurich, Ethnological Museum of the University of Zurich, 1993, 308-317 p. مشاهداتی انجام شده در ماه محرم 1989م. در بلتستان