Langer, R. H. M.  1921- <br/><br/>
How grasses grow 
R. H. M. Langer 
 - 2nd ed. 
 - London  Edward Arnold  1979 
 - 66 p. : ill. ; 22 cm. 
 - Institute of Biology's studies in biology ; no.34. .
<br/><br/>p. 63-64. 
<br/><br/><label>ISBN: </label>071312766X 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Grasses<br/>Grasses--Growth<br/>Grain<br/>Pastures