White, Kevin. <br/><br/>
Spectral reflectance characteristics of rock vanish in arid areas. 

 - Oxford :  University of Oxford,  1990. 
 - Research Paper 46 .
<br/><br/> Analyses remotely sensed spectra of rocks in arid lands. Paper outlines different types of rock coating that can develop and presents a model to describe the environmental factors that controls their information. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Resources evaluation.<br/>Resources appraisal -- Resources conservation//Resources depletion/.--Resources appraisal -- Resources conservation//Resources depletion/.