Stiles, Walter. <br/><br/>
Iintroduction to the principles of plant physiology. 
by Walter Stiles. 
 - 3rd ed. 
 - London.  Methuen.  1969 
 - viii,633p. :  plates. ; 27cm. 
<br/><br/><label>Dewey Class. No.: </label>581.1  /   STI