Clements, Frederic E. <br/><br/>
Plant succession and indicators  a definitive edition of plant succession and plant indicators. 

 - XVI, 453 p.  ill. 
<br/><br/> "A combined and condensed edition of "Plant Succession" and "Plant Indicators", published by the Carnegie Institution of Washington in 1916 and 1920 respectively." 
<br/><br/>Bibliogr. : p. 438-453. 
<br/><br/><label>ISBN: </label>0-02-843020-4