Statens planteavlsrÄd, Sorter av jord- og hagebruksvekster godkjent for avl under offentlig kontroll, The National seed council,Norway, Agricultural and horticultural cultivars eligible for certification 1992/93
- Oslo 1992
- 32
0803-8686
Agriculture NORWAY CULTIVARS CERTIFICATION
631.5
0803-8686
Agriculture NORWAY CULTIVARS CERTIFICATION
631.5