Studies on the tree roots. 

 - London :    His Majesty's Stationery Office,    1932. 
 - 72 p. :    ill. ;    24 cm. 
 - Bulletin ;    no. 13 .
<br/><br/><label>Subjects--Topical Terms: </label><br/> Roots (Botany).<br/> Trees -- Great Britain.
<br/><br/><label>Gov. Doc. Class. No.: </label>G. GB F7 (08)2