du Preez, Sonette, Deon Johan de Beer, and Johan Lodewykus du Plessis. “TITANIUM POWDERS USED IN POWDER BED FUSION: THEIR RELEVANCE TO RESPIRATORY HEALTH”. The South African Journal of Industrial Engineering 29, no. 4 (December 10, 2018): 94–102. Accessed July 13, 2024. http://sajie.journals.ac.za/pub/article/view/1975.