Spedding, Colin Raymond Willian. <br/><br/>
Grassland ecology 

 - Oxford :  Clarendon Press,  1971 
 - 221 p.  ; gráfs. 
<br/><br/><label>LCCN: </label>57790 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Pastizales--Ecología.
<br/><br/><label>Dewey Class. No.: </label>633.2  / S63