TY - RPRT TI - Molecular weight, polydispersity, and spectroscopic properties of aquatic humic substances AU - Y.-P. Chin AU - G. Aiken AU - Edward J. O’Loughlin PY - 2002 DO - 10.1021/es00060a015 UR - https://pubs.usgs.gov/publication/70016741 ID - 70016741 ER -