@misc{indiciae192ff033c4b7, title = {PIERRE PERRAULT: THE MAN AND HIS CONTRIBUTION TO MODERN HYDROLOGY}, author = {R. L. Nace}, year = {2007}, doi = {10.1111/j.1752-1688.1974.tb05623.x}, url = {https://pubs.usgs.gov/publication/70207209}, note = {Source identifier: 70207209} }