Entitäts- und Attributdaten
          
               
               
               
MARC21       551     Entity and Attribute Information Note (R) [Provisional]
                     [NEW]
  Subfields: 
             $a   Entity type label
             $b   Entity type definition and source
             $c   Attribute label
             $d   Attribute definition and source
             $e   Enumerated domain value (R)
             $f   Enumerated domain value definition and source (R)
             $g   Range domain minimum and maximum
             $h   Codeset name and source
             $i   Unrepresentable domain
             $j   Attribute units of measurement and resolution
             $k   Beginning date and ending date of attribute values
             $l   Attribute value accuracy
             $m   Attribute value accuracy explanation
             $n   Attribute measurement frequency
             $o   Entity and attribute overview (R)
             $p   Entity and attribute detail citation (R)
             $6   Linkage