1. UNEP DEWA/GRID-Europe (2005) Chapter 5: E-waste, the hidden side of IT equipment's manufacturing and use. In: Early warning on emerging environmental threats. www.grid.unep.ch
2. BAN and SVTC – The Basel Action Network and Silicon Valley Toxics Coalition (2002) Exporting harm: the high-tech trashing of asia. February 25, 2002, Seattle WA, USA. www.ban.org
3. South China Morning Post Magazine (2002) Ghost in the machines. South China Morning Post, May 12, 2002
4. Ecological risk assessment of polychlorinated biphenyl contamination in the Mai Po Marshes Nature Reserve, Hong Kong