TY - RPRT TI - Phosphorus fractionation in sediment cores collected in 2005 before and after onset of an Aphanizomenon flos-aquae bloom in upper Klamath Lake, OR, USA AU - N.S. Simon AU - D. Lynch AU - T.N. Gallaher PY - 2009 DO - 10.1007/s11270-009-0033-9 UR - https://pubs.usgs.gov/publication/70035877 ID - 70035877 ER -