1. Fixed Biological Surfaces Wastewater Treatment;Antonie,1976
2. Standard Methods for Examination of Water and Wastewater;APHA,1981
3. Effluents of the food industry in Mexico: environmental impacts on soils and water resources and possible solution using the biotechnology approach. Case problem: the corn industry;Durán de Bazúa,1987
4. An Illustrated Guide to the Protozoa;Lee,1985
5. Estudio de los protozoarios ciliados presentes en un sistema de tratamiento por medio de biodiscos;Luna-Pabello,1987