G. E. Schoolenberg
VDI-Gesellschaft Kunststofftechnik
Unknown Author
Joyce Colleen Jeffers
Mabel Merrell
S. C. O. Ugbolue
International Bureau for the Standardisation of Man-made Fibres.
Oldřich Pajgrt
Philip Jacoby
Reinhard Bischoff
R. W Rosser
John M. Sayward
S. C. Ugbolue
British Standards Institution.
Anthony Egidius Maria Keijzers