Yang, X., Rost, K. T., Lehmkuhl, F., Zhenda, Z., & Dodson, J. (2004). The evolution of dry lands in northern China and in the Republic of Mongolia since the Last Glacial Maximum. Quaternary International, 118, 69-85. doi:10.1016/s1040-6182(03)00131-9
Yang, X., Rost, K. T., Lehmkuhl, F., Zhenda, Z., & Dodson, J. (2004). The evolution of dry lands in northern China and in the Republic of Mongolia since the Last Glacial Maximum. Quaternary International, 118, 69-85. doi:10.1016/s1040-6182(03)00131-9