OECD:Landwirtschaft 
C 500.720 
C 500.720a-h 

O-E-C-D-Schernes Certification varietal.-OECD 
schernes for the varietal certification of 
seed moving in international trade. List of 
cultivars eligible for certification under 
the OECD schemes.-Paris: OECD (1979.) 

40

120 S.