Institute of Physics, London
Particle Size Analysis Conference (4th 1981 Loughborough University of Technology)
John K. Beddow
Theodore Provder
James P. M. Syvitski
ASTM Committee E-29 on Particle Size Measurement.
Clive Washington
Berg- und Hüttenmännischer Tag (1983 Freiberg, Germany)
Frederick B. Lotspeich
Microbeam Analysis Society.
Unknown Author
Kenneth T. Whitby
G. H. S. V. Prasada Rao
B. M. Osovet͡skiĭ
John Potter Dobbins