Coupland, Robert T. <br/><br/>
Ecology of mixed prairies in Canada 

 - (s.l.) :  The author,  1950 
 - 45 p.  : ilus. 
<br/><br/> The Thesis (Doctor of Philosophy in Botany) -- University of Nebraska. Graduate College 
<br/><br/><label>LCCN: </label>31164 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Ecología vegetal.<br/>Praderas--Canadá.