Bews, J. W. (John William), 1884-1938. <br/><br/>
The world's grasses; their differentiation, distribution, economics and ecology. With illustrations.   

 - London  Longmans Green and Co.  1929 
 - xii, 408 p.  il.; 22 cm. 
<br/><br/> Incluye: bibliografía, apéndice e índice 
<br/><br/><label>Subjects--Topical Terms: </label><br/>POACEAE<br/>COMERCIO<br/>ECOLOGIA<br/>DISTRIBUCION GEOGRAFICA<br/>USOS<br/>TAXONOMIA<br/>GRAMINEAS<br/>BOTANICA ECONOMICA