Kenneth J. A. Brookes
Gopal S. Upadhyaya
Kui Liu
G. V. Samsonov
National Institute for Occupational Safety and Health.
J. R. Fitzpatrick
International Cemented Carbide Conference Chicago 1971.
Jan Qvick
Hee Man Yun.
Cemented Carbide Conference Dearborn, Mich. 1973.
Hidekazu Doi
H. Doi
Alexander I. Gusev
Christian Linsmeier