1. Standard methods for the examination of water and waste water;Anon,1965
2. Standard methods for the examination of water and waste water;Anon,1965
3. Official methods of analysis;AOAC,1980
4. Losses in orange peel silage;Ashbell;Agricultural Wastes,1984
5. Laboratory trials on conservation of orange peel silage;Ashbell;Agricultural Wastes,1986