4Mota, J.F., Sola, A.J. and Jimenez-Sanchez, M.L. Gypsicolous flora conservation and restoration of quarries in the southeast of the Iberian Peninsula[J]. Biodiversity and conservation,2004,13:1797-1808.
5Lee, D.H., Tien, K.G., Juang, C.H., Full-scale field experimentation of a new technique for protecting mudstone slopes. Taiwan Engineering. Geology. 1999,42:51-63.
6Jim, C.Y. Ecological and landscape rehabilitation of a quarry site in Hongkong[J].Restoration Ecology,2001,9( 1):85-94.
7Ying Zhao, Haijia Su, Li Fang, et al. Superabsorbent gydrogels from poly (aspartic acid) with salt-temperature and pH-responsiveness properties. Polymer,2005,46:3568-5376.
