G. L. Copeland
Henry Cooke
Michael E. Henstock
N. A. Townsend
Unknown Author
Robert Malkin
Ukraine
National Institute for Occupational Safety and Health.
Laura Putnam
Steve Bennish
D. Montagna
Charles F. Manski
Stephen H. Greer
Bernard Goldstein
Battelle Memorial Institute. Columbus Laboratories.
Expert Group Meeting on Non-ferrous Scrap Metal Vienna 1969.
Frank B. Fulkerson
Europool.
Walter Pajalich