Khai͡utin, I͡U. G.
S. A. Austin
American Society of Civil Engineers
S. P. Shah
Marennyĭ, I͡A. I.
David F. Wood
Gary W. Krantz
Gunther Brux
American Concrete Institute
Unknown Author
Seminar on Pumped and Pneumatically Placed Concrete Macquarie University 1971.
Boris Arkad'evich Velikin
Roads and Traffic Authority of NSW
Todd Rutenbeck
Pieter A. VanderWerf
Clyde T. Morris
Eric W. Brooks