6Hunt G R,Salisbury J W.Visible and near infrared spectra of minerals and rocks,I,Silicate Minerals[J].Mod.Geol,1970(1)283-300.
7Bowers S A,Hanks R T.Reflection of radiant enerngy from soils[J].Soil Sci,1965(100):130-138.
8Abbas,Swain H H,Baumgardne M F.Relating ornanic matter and clay content to the multispectral radiance of soil[J].Soil Sci,1972(114):477-485.
9Etienne Muller,Henri Decamps.Modeling soil moisture reflectance[J].Remote Sensinn of Environment,2000(76):173-180.
10Morra M J,Hall M H,Freeborn L L.Carbon and nitronen analysis of soil fractions usinn near-infrared reflectance spectroscopp[J].Soil Sci,1991(55):288-291.