A simple filtered photodiode instrument for continuous measurement of narrowband NDVI and PRI over vegetated canopies. Agricultural and Forest Meteorology. 150(3):489-496.. 2010.
The influence of leaf pigments, phenology, and solar radiation regime on remotely sensed estimates of photosynthetic efficiency and photosynthetic potential, canopy photosynthesis,and net ecosystem exchange. College of Natural Resources. Doctor of Philosophy:152.. 2011.