TY - RPRT TI - An estimation of the reaeration coefficient in natural streams by spectral analysis of time series data AU - Tomonori Matsuo AU - Nobuhiro Yotsukura PY - 1981 DO - 10.3133/ofr81648 UR - https://pubs.usgs.gov/publication/ofr81648 ID - ofr81648 ER -