1. Mapping phenological change using ERTS-1 imagery;Ashley,1973
2. Wisconsin Blue Book 1999–2000;Barish,2000
3. Component and whole-system respiration fluxes in northern deciduous forests;Bolstad;Tree Physiology,2004
4. Burrows, S. N. (2002). Geostatistical estimation of leaf area index and net primary production of five North American biomes. Ph.D. dissertation. University of Wisconsin-Madison, Madison, Wisconsin.
5. Application of geostatistics to characterize LAI for flux towers to landscapes;Burrows;Ecosystems,2002