1. C. Wightman, Dry Powder Mixing in a Cylindrical Vessel Undergoing Rotational and Rocking Motions. Ph.D. Dissertation, Rutgers, The State University of New Jersey, 1997.
2. L.T. Fan, S.J. Chen, C.A. Watson, Solids mixing, in: V.M. Weekman (Ed.), Annual Review of Industrial and Engineering Chemistry, 1970, I&EC Annual Review, Am. Chem. Soc., Washington, DC, 1972, p. 22.
3. Powder mixing: Some practical rules applied to agitated systems
4. Recent developments in solids mixing