Beerling, David <br/><br/>
Emerald Planet : How Plants Changed Earth's History 
Beerling, David 
 -  Oxford University Press, UK  2007 
 - On-campus e-Book by ebrary under Digital Library Program of Higher Education Commission (HEC) of Pakistan 
<br/><br/><label>ISBN: </label>9780191513077     
<br/><br/><label>Subjects--Topical Terms: </label><br/>Physical Science