TY - RPRT TI - Fluorescence excitation-emission matrix regional integration to quantify spectra for dissolved organic matter AU - W. Chen AU - P. Westerhoff AU - J.A. Leenheer AU - K. Booksh PY - 2003 DO - 10.1021/es034354c UR - https://pubs.usgs.gov/publication/70025024 ID - 70025024 ER -