reflectometry priority journal 12 article 10 nonhuman 8 plant leaf 8 Article 6 Fourier transform infrared spectroscopy 6 Reflection 6 calibration 6 cluster analysis 6 controlled study 6 fluorescence 6 infrared spectroscopy 6 light absorption 6 prediction 6 ATR 4 Arsenic 4 Chlorophyll 4 Chlorophyll fluorescence 4 Cluster analysis 4 Environmental Monitoring 4 FTIR 4 Fluorescence 4 Groundwater 4 Latin America 4 Least squares approximations 4 Plant Leaves 4 Plants (botany) 4 Reflectance 4 Spectrometry, Fluorescence 4