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Célleri, Rolando, Wouter Buytaert, Bert De Bièvre, Felipe Cisneros, Guido Wyseure, and Seppe Deckers. Comment On "Human Impacts On Headwater Fluvial Systems in the Northern and Central Andes" (Carol P. Harden, Geomorfología 79, 249 263). 2008.

Célleri, Rolando, et al. Comment On "Human Impacts On Headwater Fluvial Systems in the Northern and Central Andes" (Carol P. Harden, Geomorfología 79, 249 263). 2008.