Canada. Parliament. House of Commons.
D. E. Winterbone
United States. Bureau of Surface Transportation Safety.
ASME B31 Committee
American Standards Association. Sectional Committee on Code for Pressure Piping, B31.
United States. National Transportation Safety Board.
American Gas Association.
Thierry Chevrot
E. Shashi Menon
Vienna. Hochschule für Welthandel. Institut für Gewerbeforschung.
Unknown Author
A. P. Shalʹnov
Jens Hetland
NCCER
Servetnik, I͡U. K.
K. S. Zarembo