1. Albertson, O. E., & Davis, G. (1984, October). Analysis of process factors controlling performance of plastic bio-media. Proceedings of the 57th Annual Meeting of the WPCF, New Orleans, LA.
2. Alleman, J. E., & Irvine, R. L. (1980). Nitrification in the sequenching batch biological reactor. Journal (Water Pollution Control Federation), 52(11), 2747-2754. Recovered from https://www.jstor.org/stable/25040953
3. Álvarez, P., & Guevara, E. (2003). Biorremediación y atenuación natural de acuíferos contaminados por sustancias químicas peligrosas. Valencia, Venezuela: Consejo de Desarrollo Científico y Humanístico de la Universidad de Carabobo (CDCH-UC).
4. APHA-AWWA-WPCF, American Public Health Association, American Water Works Association, Water Pollution Control Federation. (2005). Métodos normalizados para el análisis de las aguas potables y residuales (Standardized methods for the analysis of drinking water and wastewater). Recovered from https://agris.fao.org/agris-search/search.do?recordID=US9335741
5. Arrojo, B., Mosquera-Corral, A., Garrido, J. M., & Méndez, R. (2004). Aerobic granulation with industrial wastewater in sequencing batch reactors. Water Research, 38(14-15), 3389-3399. Recovered from https://doi.org/10.1016/j.watres.2004.05.002