Gruijter, J.J.de <br/><br/>
Numerical classification of soils and its application in survey/ 
J.J.de Gruijter 
 - Wageningen:   Centre for Agricultural Publishing and Documentation   1977. 
 - 117p. :    ill. ;   25 cm. 
 - Verslagen van landbouwkundige onderzoekingen   no. 855. .
<br/><br/> 5 sheets of accompanying materials are available at APD bearing the same call number. 
<br/><br/><label>ISBN: </label>9022006085 
<br/><br/><label>Subjects--Topical Terms: </label><br/> Soils-- Classification.<br/> Soil surveys