TY - RPRT TI - Mechanism of formation of humus coatings on mineral surfaces 2. Attenuated total reflectance spectra of hydrophobic and hydrophilic fractions of organic acids from compost leachate on alumina AU - R.L. Wershaw AU - E.C. Llaguno AU - J.A. Leenheer AU - R.P. Sperline AU - Y. Song PY - 1996 DO - 10.1016/0927-7757(95)03401-3 UR - https://pubs.usgs.gov/publication/70018676 ID - 70018676 ER -