TY - RPRT TI - Identification of nitrogen sources to four small lakes in the agricultural region of Khorezm, Uzbekistan AU - M. Shanafield AU - M. Rosen AU - L. Saito AU - S. Chandra AU - J. Lamers AU - Bakhriddin Nishonov PY - 2010 DO - 10.1007/s10533-010-9509-3 UR - https://pubs.usgs.gov/publication/70037662 ID - 70037662 ER -