Hebersack, H. (2008). Gravel bed rivers VI: From process understanding to river restoration. Elsevier.
Čikaški stil citiranjaHebersack, Helmut. Gravel Bed Rivers VI: From Process Understanding to River Restoration. Amsterdam: Elsevier, 2008.
MLA način citiranjaHebersack, Helmut. Gravel Bed Rivers VI: From Process Understanding to River Restoration. Elsevier, 2008.
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