TY - RPRT TI - Ozone-induced changes in natural organic matter (NOM) structure AU - P. Westerhoff AU - J. Debroux AU - G. Aiken AU - G. Amy PY - 1999 DO - 10.1080/01919512.1999.10382893 UR - https://pubs.usgs.gov/publication/70020914 ID - 70020914 ER -