1. Armenante, P. M. and T. Li; “Minimum Agitation Speed for Off-Bottom Suspension of Solids in Agitated Vessels Provided with Multiple Flat-Blade Impellers,” AIChE Symp. Ser., Vol. 89(293), pp. 105–111, AIChE, New York, U.S.A. (1993)
2. Armenante, P. M., J. P. Mmbaga and R. R. Hemrajani; “Mechanisms for the Entrainment of Floating Particles in Mechanically Agitated Liquids,” the 7th Eur. Conf. on Mixing, p. 555, Brugge, U.K. (1991)
3. Bakker, A. and J. J. Frijlink; “The Drawdown and Dispersion of Floating Solids in Aerated and Unaerated Stirred Vessels,” Chem. Eng. Res. Des., 67, 208–210 (1988)
4. Complete suspension of particles in mechanically agitated vessels