1. American Concrete Institute (ACI). (1997). “Standard practice for design and construction of concrete silos and stacking tubes for storing granular materials.” 313-77 Detroit.
2. American Society of Agricultural Engineers (ASAE). (2011). “Loads exerted by free-flowing grain on bins.” ANSI/ASAE EP433 DEC 1998 (R2011) St. Joseph MI.
3. ANNALS de L'Institut Technique du Batiment et des Travaux Publics (ANNALS). (1975). “Regles de conception et de calcul des silos en beton.” Serie: Theories et Methods de Calcul. No. 189. Supplement au No. 334 Paris (in French).
4. Australia Standard (AS). (1996). “Loads on bulk solids containers.” 3774-1990 North Sydney NSW Australia.
5. British Standards Institution (BSI). (2006). “Actions on structures. Part 4: Silos and tanks.” BS EN 1991-4:2006 Eurocode 1 London.