TY - RPRT TI - Mechanism of formation of humus coatings on mineral surfaces 3. Composition of adsorbed organic acids from compost leachate on alumina by solid-state 13C NMR AU - R.L. Wershaw AU - E.C. Llaguno AU - J.A. Leenheer PY - 1996 DO - 10.1016/0927-7757(95)03402-1 UR - https://pubs.usgs.gov/publication/70018685 ID - 70018685 ER -