TY - RPRT TI - Frequency-duration analysis of dissolved-oxygen concentrations in two southwestern Wisconsin streams AU - Steven R. Greb AU - David J. Graczyk PY - 2007 DO - 10.1111/j.1752-1688.1995.tb04031.x UR - https://pubs.usgs.gov/publication/70157485 ID - 70157485 ER -