2WANG F, KUEHR R, AHLQUIST D, et al. E - waste in China: A country report [ R/OL]. (2013 - 04 - 05). [ 2015 - 07 - 16 ]. http://isp, unu. edu/publications/scycle/files/ewaste - in - china, pdf.
3SCHLUEP M, HAGELUEKEN C, KUEHR R, et al. Recycling: From e-waste to resources [ R/OL]. [ 2015 - 07 - 16 ]. http ://unep. org/pdf/Recycling_From_e - waste_to_resources. pdf.
4CHANCEREL P, MESKERS C, HAGELUKEN C, et al. Assessment of precious metal flows during preprocessing of waste electrical and electronic equipment[J]. Journal of Industrial Ecology,2009(5):791 -810.