The Proto-Tibetan clusters sL- and sR-and the periodisation of Old Tibetan.pdf By Joanna Bialek

https://www.academia.edu/38185742/The_Proto_Tibetan_clusters_sL_and_sR_and_the_periodisation_of_Old_Tibetan_pdf?nav_from=8b3b18bf-e22e-4b1e-b9bb-4e3c917b9122