@misc{indiciaece82a47f632b,
  title = {H-binding of size- and polarity-fractionated soil and lignite humic acids after removal of metal and ash components},
  author = {Marios Drosos and Jerry A. Leenheer and Apostolos Avgeropoulos and Yiannis Deligiannakis},
  year = {2013},
  doi = {10.1007/s11356-013-2302-9},
  url = {https://pubs.usgs.gov/publication/70189960},
  note = {Source identifier: 70189960}
}