Spunar, P. G.Friess, Edelsteine im Mittelalter (Hildesheim 1980).
Chicago Style CitationSpunar, Pavel. G.Friess, Edelsteine Im Mittelalter (Hildesheim 1980).
MLA CitationSpunar, Pavel. G.Friess, Edelsteine Im Mittelalter (Hildesheim 1980).
Warning: These citations may not always be 100% accurate.