@article{EttmerAlvaradoAncieta2013,
  author    = {Bernd Ettmer and Cesar Adolfo Alvarado-Ancieta},
  title     = {Morphological development of the Ucayali River, Peru without human impacts},
  journal   = {Wald{\"o}kologie, Landschaftsforschung und Naturschutz = Forest ecology, landscape research and nature conservation},
  volume    = {10},
  pages     = {77 -- 84},
  year      = {2013},
}