1. Two new bismuth minerals from South Africa
2. Preisingerite, Bi3O(OH)(AsO4)2, a new species from San Juan Province, Argentina: Its description and crystal structure;Bedlivy;Am. Mineral.,1982
3. Exotische Pseudomorphosen aus Brasilien: Waylandit nach Wismutglanz;Färber;Lapis,2011
4. Bismoclite from Brazil;Rao;Can. Mineral.,1965
5. I minerali della Sardegna ed i loro giacimenti;Billows,1941