1. B. H. Kaye, Direct Characterization of Fineparticles, John Wiley & Sons, New York (1981). An updated book entitled Characterizing Powders, Mists and Fineparticles Systems is in preparation to be published by VCH 1997.
2. T. Allen, Particle Size Analysis, 4th ed. Chapman and Hall, London (1992).
3. Duke Scientific Corporation, 1135 D. San Antonia Road, Palo Alto, CA 94303.
4. Rhône-Poulenc, Paris Lab—Defencee, Cedex 29-F-92097, Paris, France.
5. Dyno Particles A. S., P.O. Box 160, N-2001 Lillestrom, Norway.