GU LIANHONG, Post WM, Baldocchi DD, et al. Phenology Of Ecosystem Processescharacterizing The Seasonal Dynamics Of Plant Community Photosynthesis Across A Range Of Vegetation Types. New York, NY: Springer New York; 2009:35-58. doi:10.1007/978-1-4419-0026-510.1007/978-1-4419-0026-5_2.