American Society for Testing and Materials, 1964Book of Stanclards Part 25, Textile Materials-Fibers and Products; Leather, Philadelphia, Pa.1964. a) D2130, p. 505; b) D1577, p. 395.
2.
Berg, R.H., "Symposium on Particle Size Measurement," ASTM, Special Technical Publication No. 234, 245 (1958).