^Moseley, Trevor & Zabierek, Gus (2006). "Guidance On The Safe Use Of Lasers In Education And Research"(PDF). Archived from the original(PDF) on 2007-08-24. Retrieved 2007-10-31. electromagnetic radiation at wavelengths extending from 100 nm in the ultra-violet, through the visible (400-700 nm), and the near infrared (700-1400 nm), to the far infrared (1400 nm – 1 mm).{{cite journal}}: Cite journal requires |journal= (help)
^Waiser, T.H.; Morgan, C.L.S.; Brown, D.J.; Hallmark, C.T. (2007). "In Situ Characterization of Soil Clay Content with Visible Near-Infrared Diffuse Reflectance Spectroscopy". Soil Science Society of America Journal. 71 (2): 389. Bibcode:2007SSASJ..71..389W. doi:10.2136/sssaj2006.0211.