Zak L, Synecek V, Hybler J (1974) Krupkaite, CuPbBi3S6, a new mineral of the bismuthinite-aikinite group, Neues Jahrbuch für Mineralogie, Monatshefte 1974, 533-541
Fleischer M, Chao G Y, Cabri L J (1975) New mineral names, American Mineralogist 60, 736-739
to
Zak L, Synecek V, Hybler J (1974) Krupkaite, CuPbBi3S6, a new mineral of the bismuthinite-aikinite group, Neues Jahrbuch für Mineralogie, Monatshefte 1974, 533-541
Fleischer M, Chao G Y, Cabri L J (1975) New mineral names, American Mineralogist 60, 736-739
to
Zak L, Synecek V, Hybler J (1974) Krupkaite, CuPbBi3S6, a new mineral of the bismuthinite-aikinite group, Neues Jahrbuch für Mineralogie, Monatshefte 1974, 533-541
Fleischer M, Chao G Y, Cabri L J (1975) New mineral names, American Mineralogist 60, 736-739