Drobne Franc

Hydrogeological Reconnaissance Exploration of the Upper Drava and the Mura River Basins
Franc Drobne
GEOLOGIJA 17 (1974), 508 - 510

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V spomin Dušanu Novaku
Franc Drobne
GEOLOGIJA 41 (1998), 7 - 8

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Pliocene Aquifers - the Source of drinking Water for Ptuj and Ormož Region, Slovenia
Ljubo Žlebnik, Franc Drobne
GEOLOGIJA 41 (1998), 339 - 354

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Report on the geologic investigations made in Ljubljana for engineering purposes
Franc Drobne, Sonja Tovornik
GEOLOGIJA 7 (1961), 269 - 274

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