Zupancic, Mitja (1999): Smrekovi gozdovi Slovenije / Spruce forest in Slovenia. Scientiarium et Artium Slovenica, Classis IV.: Historia Naturalis: 36., pp. 222
Zupancic, Mitja (1999): Smrekovi gozdovi Slovenije / Spruce forest in Slovenia. Scientiarium et Artium Slovenica, Classis IV.: Historia Naturalis: 36., pp. 222