1. On powder flowability;Prescott;Pharm Technol,2000
2. Pharmacopeial Forum;Amidon,1999
3. Evaluating flow properties of solids;Carr;Chem Eng,1965
4. Intrinsic flowability: a new technology for powder flowability classification;Gioia;Pharm Technol,1980
5. Friction conditions in a mass of metal powder;Hausner;Int J Metall,1967