Bews, J. W. <br/><br/>
The World's grasses  their differentiation, distriburion economics and ecology 
by J. W. Bews 
 - Green, London  Longmans  1929 
 - 404 p. ; 23 cm. 
<br/><br/> includes index 
<br/><br/><label>LCCN: </label>72-084980 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Grasses