| | 1-- Coded Information BlockDefinition and Scope of FieldsThis block contains coded fixed length data elements. FieldsNotes on Field ContentsData in these fields is defined in terms of the position of the character, counting the first character following the subfield identifier as zero. If a bibliographic agency does not supply any coded information in a given field, the field will be omitted unless mandatory. If some data in a field is supplied but not all, the omitted data element positions will contain fill characters. Relationships with other fields or entitiesData recorded in the CODED INFORMATION BLOCK in coded form may be recorded in field 302 in free text form with or without elaboration. | |