@misc{indiciae377fc0c1c715, title = {Use of 13C NMR and FTIR for elucidation of degradation pathways during senescence and litter decomposition of Aspen leaves}, author = {Robert L. Wershaw and J.A. Leenheer and K. R. Kennedy}, year = {1999}, url = {https://pubs.usgs.gov/publication/70198543}, note = {Source identifier: 70198543} }