Publication Dematerialization: variety, caution, and persistence [external link] JH Ausubel, PE Waggoner. Proc Natl Acad Sci U S A 105 (35): 12774–12779 2008 10.1073/pnas.0806099105 D
Publication Returning forests analyzed with forest identity [external link] PE Kauppi, JH Ausubel, J-Y Fang, AS Mather, RA Sedjo, PE Waggoner. Proc Natl Acad Sci U S A 103: 17574–17579 2006 10.1073/pnas.0608343103