Webster, Richard. <br/><br/>
Statistical methods in soil and land resource survey / 
R. Webster and M. A. Oliver. 
 - Oxford :  Oxford University Press,  1990. 
 - 316 p. :  ill. ;  24 cm. 
 - Spatial information systems .
<br/><br/>Includes bibliographical references and index. 
<br/><br/><label>ISBN: </label>0198233167 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Soil surveys.<br/>Soils--Classification
<br/><br/><label>Dewey Class. No.: </label>631.47