Brezigar, A., Kosi, G., Vrhovšek, D., Velkovrh, F. (1985). Paleontological investigations of the Plio-Quaternary beds of the Velenje depression. Geologija. 28, 93–119.
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Brezigar, A., Kosi, G., Vrhovšek, D., Velkovrh, F.
1985
Paleontological investigations of the Plio-Quaternary beds of the Velenje depression