Ref.:
- Jurkovic, I., Slovenec, D., and Namjesnik, K. (1993): An uncommon metamorphic Cr-Ba-Fe-Cu deposit from the Busovača district, Central Bosnia. Bulletin of the Geological Society of Greece 28(3), 677-690.
- Jurkovic, I., and Jaksic, M. (1994): A Zincian Chrome-Spinel from the Cr-Ba-Fe-Cu-Zn Deposit near Busovača (Bosnia and Herzegovina). Geologia Croatica 47(1), 83-102.
- Jurkovic, I., and Slovenec, D. (1995): Geochemical significance of the zincian-chrome spinel for the genesis of the Cr-Ba-Fe-Cu-Zn ore deposit in the Zagrlski Brook (Bosnia and Herzegovina). Acta Geologica (Zagreb), 25.
- Zorz, M. (1996): The hyalophane occurrence at Zagradski Potok near Busovaca, Bosnia and Herzegovina. Mineralogical Record 27(5), 325-346+361.