Silverman, Leslie, 1914-1966. Particle size analysis in industrial hygiene/ by Leslie Silverman, Charles E. Billings, Melvin W. First. - New York: Academic Press, 1971. - xv,317 pages : illustrations; 24 cm. - Monograph series on industrial hygiene. . ISBN: 0126437505 Subjects--Topical Terms: Particle size determination.Industrial hygiene.