Comparison of Reflectance Measurements Acquired with a Contact Probe and an Integration Sphere: Implications for the Spectral Properties of Vegetation at a Leaf Level. - Markéta Potucková; Lucie Cervená; Lucie Kupková; Zuzana Lhotáková; Petr Lukes; Jan Hanus; Jan Novotný; Jana Albrechtová (Sensors, 2016)