1. Particle size, shape and distribution;Allen,1990
2. Recent advances in granulation technology and equipment;Appelgren;Drug Dev. Ind. Pharm.,1985
3. Flow defects in wet powder mass extrusion;Harrison;J. Pharm. Pharmacol.,1985
4. Investigation of factors influencing pellet performances in an extruder/ spheroniser;Hasznos,1990
5. Friction conditions in a mass of metal powder;Hausner;Int. J. Powder Metall.,1967