1. Metallide sadestamine Graafik näitab metallide sadenemise vahekorda pH väärtuse tõusu korral. Kui lahuse pH-d tõsta sooda lisamisel, siis sadeneb esimesena välja raud (madalama pH juures) ja seejärel pH tõstmisel teised metallid.

4. Watanabe (2001) Can bioremediation bounce back Nat Biotech. vol. 19, pp.1111-1115

5. Suresh & Ravishankar (2004) Phytoremediation –A Novel and Promising Approach for Environmental Clean-up. Crit. Rev. Biotech. 24: (2-3) 97-124.

10. Kovalchuk et al., (2001) A sensitive transgenic plant system to detect toxic inorganic compounds in the environment. Nat Biotech vol 19, pp.568-572.

13. Current Opinion in Biotechnology 11, No3 June 2000, p281