A History of the Economic Development of China's Ethnic Minorities Liu Xiaochun, He Fang, Zheng Wei E-Book (epub)

Boundary Value Problems with Global Projection Conditions Xiaochun Liu, Bert-Wolfgang Schulze E-Book (pdf)

Hybrid Enhanced Oil Recovery Processes for Heavy Oil Reservoirs Xiaohu Dong, Huiqing Liu, Zhangxing Chen E-Book (epub)