1. Barbera L, Rosso R, 1989. On the fractal dimension of stream networks. Water Resources Research, 25(4): 735–741. doi: 10.1029/WR025i004p00735.
2. Castillo O, Melin P, 2002. Hybrid intelligent systems for time series prediction using soft computing techniques and fractal theory. International Journal of Smart Engineering System Design, 3(3): 187–194. doi: 10.1109/TNN.2002.804316
3. Claps P, Oliveto G, 1996. Reexamining the determination of the fractal dimension of river networks. Water Resources Research, 32(10): 3123–3135. doi: 10.1029/96WR01942
4. Chen Yanguang, Liu Jisheng, 2001. Fractals and fractal dimensions of structure of river systems: Models reconstruction and parameters interpretation of Horton’s laws of network composition. Advance in Earth Sciences, 116(2): 178–183. (in Chinese)
5. Cui Lingzhou, Xiao Xuenian, Li Zhanbin, 2004. GIS-based approach for measuring the fractal box dimension of watershed topography. Bulletin of Soil and Water Conservation, 24(2): 38–40. (in Chinese)