Levitt, J.  <br/><br/>
The hardiness of plants  (Book) 

 - New York  Academic Press  1956 
 - 278 p.  24 cm. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Frosts--Environmental factors--Plant physiology Plant--Hardiness
<br/><br/><label>Universal Decimal Class. No.: </label>581.032:581.036 LEV  / 14151