[3] Jason M E Ahad, Greg F Slater. Science of the Total Environment, 2008, 401(1): 194.
[4] Ahmet Altin. Separation and Purification Technology, 2008, 61(3): 391.
[5] Zhou Tao, Li Yaozhong, Wong Fooksin, et al. Ultrasonics Sonochemistry, 2008, 15(5): 782.
[6] Ahmet Altin. Separation and Purification Technology, 2008, 61(3): 391.