1. Alternate design procedure;ACI 313,1989
2. Loads on Bulk Solids Containers;AS 3774,1986
3. Part 4 2002 Eurocode 1, Actions on silos and tanks;ENV,1991
4. Polish Standard: Silosy żelbetowe na materiały sypkie. Obliczenia statyczne;PN-89/B-03262,1989
5. Reliable flow of particulate solids;Anon,1985