Reference

J.V. Ward, Klement Tockner, P.J. Edwards, J. Kollmann, Gernot Bretschko, A.M. Gurnell, G.E. Petts, B. Rossaro (1999): A reference river system for the Alps: The "Fiume Tagliamento". – Reg. Rivers: Res. Mgmt. – 15: 63 - 75.