Peñuelas J, Filella I, Gamon JA, Field C (1997) Assessing photosynthetic radiation-use efficiency of emergent aquatic vegetation from spectral reflectance. Aquatic Botany 58:307-315.
Peñuelas J, Isla R, Filella I, Araus JL (1997) Visible and near-infrared reflectance assessment of salinity effects on barley. Crop Science 37:198-202.
Piñol J, Siscart D, Lloret F, Filella I, Martínez-Vilalta J, Peñuelas J (1997) The effect of the 1994 extreme drought in Quercus ilex forests in Catalonia, NE Spain. Medecos VIII: Global change and Mediterranean ecosystems. San Diego.
Piñol J, Filella I, Ogaya R, Sauret M, Peñuelas J (1997) Non-destructive spectro-radiometric estimation of live fine fuel moisture. Proceedings XI World Forestry Congress. Antalya, vol. 1, pp. 238.
Penuelas, J., Llusia, J., Pinol, J., Filella, I. (1997) Photochemical reflectance index and leaf photosynthetic radiation-use-efficiency assessment in Mediterranean trees. International Journal of Remote Sensing. 18: 2863-2868.EnllaçDoi: 10.1080/014311697217387
Penuelas, J., Pinol, J., Ogaya, R., Filella, I. (1997) Estimation of plant water concentration by the reflectance Water Index WI (R900/R970). International Journal of Remote Sensing. 18: 2869-2875.EnllaçDoi: 10.1080/014311697217396
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