1Baysdn, David Lee, Sherrol Lee. Process for preparing N - phosphonomethyliminodiactic acid Abstract. US: 5688994, 1997.
2Barsukov. Synthesis of New Complexons and Their Derivatives.Zhurnal Obshchei Khimii, 1983, 53(6) : 1243--1249.
3Barsukov. Synthesis of New Complexons of the Aliphatic Series and Investigation of the Mechanism of Acidic Dissociation, Zhurnal Obshchei Khimii, 1985, 55(7): 1594--1600.
4Kirk.Othmer[].Encyclopedia of Chemical Technology.1965