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2. An investigation into the behavior of sand in a model silo;Lenczner;Struct. Engr.,1963
3. The safe design of cement silos;Leonhardt;Beton Stahlbetonb,1960
4. An investigation into the cause of cracking in reinforced concrete silo containing cement;Rowe;Mag. Concr. Res.,1959
5. Silos, traité théorique et pratique;Reimbert,1959