[2] Friedmann J. Four theses in the study of China's urbanization[D]. International Journal of Urban and Regional Research., 30, 440-451(2006).

[5] Shen J. Understanding dual-track urbanization in post-reform China: Conceptual framework and empirical analysis[D]. Population, Space and Place, 12, 497-516(2006).

[26] Zhang Li. Conceptualizing China's urbanization under reforms[D]. Habitat International, 32, 452-470(2008).

[28] Chan K W. Fundamentals of China's urbanization and policy[D]. The China Review, 10, 63-93(2010).

[42] Wang Jinfeng, Li Xinhu, Christakos G et al. Geographical detectors-based health risk assessment and its application in the neural tube defects study of the Heshun Region, China[D]. International Journal of Geographical Information Science, 24, 107-127(2010).