@misc{indiciaeee72012dfcb2, title = {Evolving plans for the USA National Phenology Network}, author = {Julio L. Betancourt and Mark D. Schwartz and David D. Breshears and Carol A. Brewer and Gary Frazer and John E. Gross and Susan J. Mazer and Bradley C. Reed and Bruce E. Wilson}, year = {2007}, doi = {10.1029/2007eo190007}, url = {https://pubs.usgs.gov/publication/70003870}, note = {Source identifier: 70003870} }