Castelli M., Anderson M., Yun Y., Wohlfahrt G., Bertoldi G., Niedrist G., Hammerle A., Zhao P., Zebisch M., Notarnicola C. (2018) Two-source energy balance modeling of evapotranspiration in Alpine grasslands. Remote Sensing of Environment 209, 327-342, doi: 10.1016/j.rse.2018.02.062.