Antonucci S., Rossi S., Deslaurier A., Morin H., Lombardi F., Marchetti M., Tognetti R. (2016) Large-scale estimation of xylem phenology in black spruce through remote sensing. Agricultural and Forest Meteorology, Volume 233, 15 February 2017, doi 10.1016/j.agrformet.2016.11.011.v