Concepedia

Using the mobile phone as Munsell soil-colour sensor: An experiment under controlled illumination conditions

Luis Gómez‐Robledo, Nuria López-Ruiz, Manuel Melgosa, A. Palma, L.F. Capitán‐Vallvey, Manuel Sánchez‐Marañón

Computers and Electronics in Agriculture · 2013 · 150 citations · 29 references

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29

Soil taxonomy—a basic system of soil classification for making and interpreting soil surveys

Freddy Nachtergaele · Geoderma · 2001 · 5.5K citations

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A generalized inverse for matrices

Roger Penrose · Mathematical Proceedings of the Cambridge Philosophical Society · 1955 · 4.5K citations · Full text

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Color Science, Concepts and Methods. Quantitative Data and Formulas

W. D. Wright · Physics Bulletin · 1967 · 3.6K citations

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World Reference Base for Soil Resources 2006

Deutsche Ausgabe · 2007 · 1.7K citations

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Simple Telemedicine for Developing Regions: Camera Phones and Paper-Based Microfluidic Devices for Real-Time, Off-Site Diagnosis

Andres W. Martinez, Scott T. Phillips, Emanuel Carrilho et al. · Analytical Chemistry · 2008 · 1.4K citations · Full text

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