1. Feed Manufacturing Technology. Appendix F: Wafers, pellets and crumbles. Definitions and methods for determining specific weight, durability and moisture content,1976
2. Official Methods of Analysis of Analytical Chemists;AOAC,1990
3. Effect of sepiolite on pellet durability in feeds differing in fat and fibre content;Angulo;Anim. Feed Sci. Technol.,1995
4. Energy cost centers;McEllhiney,1985
5. Influence of wheat mill variability upon compacting behaviour during pelleting;Nathier-Dufour;Anim. Feed Sci. Technol.,1995