https://catalogue-scientifique.canada.ca/record=1161987~S6*frc
Rechercher Machine Tool Merchants' Association (South Africa); Rechercher South African Council for Scientific and Industrial Research; Rechercher Suid-Afrikaanse Instituut vir Produksie-ingenieurswese; Rechercher South African Institute for Production Engineering; Rechercher Vereniging van Masjiengereedskaphandelaars
Council for Scientific and Industrial Research, 1979
Actes de conférence