Journal Article
Betancourt, Julio L., Mark D. Schwartz, David D. Breshears, Carol A. Brewer, Gary Frazer, John E. Gross, Susan J. Mazer, Bradley C. Reed, and Bruce E. Wilson. "
Evolving plans for the USA National Phenology Network."
Eos, Transactions American Geophysical Union 88 (2007): 211.
Enquist, Carolyn A. F., Abraham J. Miller-Rushing, Jake F. Weltzin, Susan J. Mazer, Jeffrey M. Diez, Matthew O. Jones, Mark D. Schwartz, Rebecca A. Hufft, Katherine D. Jones, David J. P. Moore et al. "
The plant phenology monitoring design for The National Ecological Observatory Network." (2016).