Reference

Genoveva F. Esteban, J.M. Colmenarejo, C. Téllez (1991): Dynamics of ciliate communities during biological phosphorus removal process in wastewater treatment. In Madoni P. (ed) Biological approach to sewage treatment process: current status and perspectives – Proc. Int. Symp. Perugia 15-17 October, 1990 – 1990: 71 - 74.