https://highpeakspureearth.com/resistance-and-unity-the-chinese-invasion-makchi-shangri-lhagyal-and-a-history-of-tibet-1947-1959-by-tashi-gelek-dorjee-damdul-and-tashi-dhondup/
"Resistance and Unity: The Chinese Invasion, Makchi Shangri Lhagyal, and a History of Tibet (1947-1959)" By Tashi Gelek, Dorjee Damdul and Tashi Dhondup