Clark.A.C <br/><br/>
Compendium of sweet potato Diseases 

 - 3340 Pilot Knob Road st.paul, Minnesota 55121,USA  APS PRESS  1998 
 -  74p;pic;ill 
<br/><br/><label>ISBN: </label>0-89054-089-6 
<br/><br/><label>Universal Decimal Class. No.: </label>632.635.22  / DOA