Russell, R Scott, <br/><br/>
Plant root systems :  their function and interaction with the soil / 
by R. Scott Russell. 
 - London :  McGraw-Hill,  1977. 
 - xiii, 298 pages :  illustrations ;  24 cm. 
 - European plant biology series .
<br/><br/>Bibl. - Index 
<br/><br/><label>ISBN: </label>0070840687 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Roots (Botany).<br/> Growth (Plants).<br/>Plant--soil relationships