1. US EPA. Federal register, vol. 59. P. 1994. 38668.
2. Chemical removal of nitrate from water;Murphy;Nature,1991
3. Nitrate reduction by metallic iron;Huang;Water Res,1998
4. Experiences with ground water treatment and disposal of the eliminated substances in the Netherlands;Kruithof;Aqua.,1989
5. Firestone MK. (1985) Biological denitrification. In: Stevenson FJ, Editor. Nitrogen in agricultural soils. Madison, WI.