Jan Hřivnák
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The Erosion by Running Water in the Basin of the Ondřejnice River (The Podbeskydská Pahorkatina Hillyland)
Ladislav Buzek, Jan Hřivnák, Alena Chvostková, Marie Kopáčková, Bohuslava Krčmová
1976, Vol. 81, Issue 4, pp. 254-265
