@book{ 0-1187469750, title = {The case of the shrinking channels - the North Platte and Platte Rivers i Nebraska}, series = {Geological Survey circular}, author = {Williams, Garnett P.}, address = {Arlington, VA}, publisher = {U. S. Geological Survey}, year = {1978}, language = {English}, url = {https://katalog.ub.tu-freiberg.de/Record/0-1187469750} }