@inproceedings{inproceedingsc611a03a, title = {Photochemistry of lignin i. Low molecular weight lignins}, author = {Neumann, Miguel Guillermo and De Groote, Robert Ange Marie Camille and Machado, A E H}, year = {1985}, publisher = {Acs}, booktitle = {Weathering and Photochemistry of Wood and Celullose Fibers Symposium} }