1. Preliminary study on the analysis of forages with a filter-type near infrared reflectance spectrometer;Barton;J. Agric. Food Chem.,1979
2. Prediction of bermudagrass composition and digestibility with a near-infrared multiple filter spectrophotometer;Burdick;Agron. J.,1981
3. Clark, D. H. 1985. History of NIRS analysis of agricultural products. Page 7 in Near infrared reflectance spectroscopy (NIRS): analysis of forage quality. G. C. Marten, J. S. Shenk, and F. E. Barton, II, ed. Agric. Handbook No. 643. ARS-USDA, Washington, DC.
4. Clark, D. H. 1985. Predicting digestibilities of alfalfa hays with near infrared reflectance spectroscopy. Ph. D. Diss., Utah State Univ., Logan.
5. Near infrared reflectance spectroscopy for quality analysis of sandhills meadow forage;Duncan;J. Anim. Sci.,1987