Alarcón, E., J. Decap, and G. Vidal. “Resistance of Diethylenetriaminepentaacetic Acid to Anaerobic Biodegradation”. Electronic Journal of Biotechnology, vol. 8, no. 3, Dec. 2005, pp. 0-0, https://www.ejbiotechnology.info/index.php/ejbiotechnology/article/view/v8n3-5.