Baker, Herbert G. <br/><br/>
Plants and civilization 
Herbert G. Baker. 
 - 3rd ed. 
 - Belmont, Ca.  Wadsworth Publishing Co.  1978. 
 - 198 p. : ill. ; 24 cm. 
<br/><br/> Includes index. 
<br/><br/><label>ISBN: </label>0534005756 
<br/><br/><label>LCCN: </label>77-019097 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Plants and civilization