Hartmann, Hudson, T. <br/><br/>
Plant propagation: principles and practices 

 - 4th ed. 
 - Delhi  Prentice-Hall  1986 
 - viii, 228p, 24 cm., 0-87692-454-2 
<br/><br/><label>Dewey Class. No.: </label>581.16,  / D, har