@InProceedings{Jocz:1989,
  author      = "Z. Jocz and F. Romankiewicz",
  title       = "Protective-refining slag with waste products for tin bronze melting",
  booktitle   = "Non-Ferrous Metalworking New Technologies Equipment - METALS '89 : 3rd International Conference",
  address     = "Zakopane, Polska",
  publisher   = "Gliwice, [brak wydawcy]",
  pages       = "201--209",
  year        = "1989",
}