Webster R <br/><br/>
Quantitative and numerical methods in soil classif 
Webster R 
 - Oxford  Clarendon Press           1977 
 - x, 269p.  cm. 
 - Monographs on Soil Survey .
<br/><br/> Appendix p.244-50 
<br/><br/><label>Source: </label> General Book 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Agriculture
<br/><br/><label>Dewey Class. No.: </label>J:1:(B28), L7