Russell, Robert Scott. <br/><br/>
Plant root systems :  their functions and interaction with the soil / 
R. Scott Russell. 
 - London :  McGraw-Hill,  c1977. 
 - xii, 298 p. :  ill. 
 - European plant biology series .
<br/><br/>Includes bibliographies and indexes. 
<br/><br/><label>ISBN: </label>0070840687 
<br/><br/><label>LCCN: </label>77030036 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Roots (Botany)<br/>Plant-soil relationships.