Não informado. (1977). Journal of Powder and Bulk Solids Technology. International Powder Institute.
Chicago-referens (17:e uppl.)Não informado. Journal of Powder and Bulk Solids Technology. Chicago, Ill: International Powder Institute, 1977.
MLA-referens (8:e uppl.)Não informado. Journal of Powder and Bulk Solids Technology. International Powder Institute, 1977.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.