A. C. Meigh
Paul W. Mayne
H. J. Migliore
European Symposium on Penetration Testing (2nd 1982 Amsterdam, Netherlands)
A. Verruijt
United States. Federal Highway Administration. Implementation Division
William D. Kovacs
Geological Survey (U.S.)
Rodrigo Salgado
Unknown Author
L. J. Langfelder
Branko Ladanyi
Turner-Fairbank Highway Research Center
Alex Sy
Robert R. Carter
Roorkee, India. U.P. Irrigation Research Institute.
International Society for Soil Mechanics and Foundation Engineering. Subcommittee on the Penetration Test for Use in Europe
European Symposium on Penetration Testing, ESOPT Stockholm 1974.
Institute of Civil Engineers