OECD:Landwirtschaft 
C 132.747 
C 132.747a 

O-E-C-D-Schemes Certification varietal.-OECD 
schemes for the varietal certification of 
seed moving in international trade. List of 
cultivars eligible for certification-under 
the OECD schemes. Systemes de l'OCDE pour la 
certification varietale des semences destinees 
au commerce internatbonal•••• 
(Paris: OECD 1979.) 120 s. 4 

/Text Maschinenschr.vervielf./