Statens Landbrukstilsyn, Offisiell sortsliste, Norwegian Agricultural Inspection Service, The official List of Varieties 2001/02 

 - Oslo  2001 
 - 16 
<br/><br/><label>Subjects--Index Terms: </label>Agriculture NORWAY VARIETIES SPECIES LIST 
<br/><br/><label>Dewey Class. No.: </label>631.5