1. Official Methods of Analysis;AOAC,1970
2. Standard Methods for the Examination of Water and Wastewater;APHA,1980
3. Aspects microbiologiques du lisier de porc;Bisaillon;Sci. Tech. de l'Eau,1984
4. Growth of selected cellulolytic fungi on wood pulp;Chahal,1968
5. The usefulness of degradative fungi;Cooke;Mycopathologia et Mycologia Applicata,1973