Quality Declared Seed  Technical guidelines for Standards and Procedures 

 - Food and Agriculture Organization of the United Nations.     Rome  1993 
 - 186p. 
 - FAO Plant Production and Protection Paper  117 .
<br/><br/><label>ISBN: </label>92-5-103278-5 
<br/><br/><label>Nat. Bib. No.: </label>6659 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Agriculture
<br/><br/><label>Universal Decimal Class. No.: </label>631.53  / QUA