1. http://www.greenfacts.org/en/boron/l-2/boron-3.htm
2. WHO, Guidelines for Drinking-water Quality, WHO/SDE/WSH/03.04/54, 2003
3. Boron removal from aqueous solution by reverse osmosis
4. Agency for Toxic Substances and Disease Registry, Division of Toxicology/Toxicology Information Branch (ATSDR), Toxicological Profile for Boron, ATSDR, Atlanta, USA, 2007, pp. 1–249
5. Boron removal from landfill leachate by means of nanofiltration and reverse osmosis