William Laycock; W. A. Laycock; W. K. Lauenroth; W K Lauenroth <br/><br/>
Secondary Succession And The Evaluation Of Rangeland Condition 

 -  Taylor and Francis  1990 
<br/><br/><label>ISBN: </label>9780429305610 
<br/><br/><label>Source: </label>EBOOK