Phug lugs Rtsis kyi legs bśad mkhas paʼi mgul rgyan Baiḍūr dkar poʼi do śal dpyod ldan sñiṅ nor : the basic Tibetan treatise on the principles of astrology, astronomy, and calendrical calculations / by Sde-srid Saṅs-rgyas-rgya-mtsho.
Saṅs-rgyas-rgya-mtsho, Sde-srid, 1653-1705. Vaiḍūrya dkar po | Date: 1978