step three. SUBFIELDS are noted by the SUBFIELD Requirements and you will DELIMITERS
Good subfield: Most fields consist of numerous related pieces of studies. Each type of data inside the industry is named a great subfield , and every subfield is preceded by a delimiter-subfield password consolidation . Sphere 001 owing to 009 do not have subfields.
Such as for instance, industry for a personal label going is sold with good subfield to possess a personal label, numeration, titles and you may times on the name, one of several others.
A subfield password: Subfield rules was you to lowercase letter (from time to time several) preceded because of the a beneficial delimiter. An excellent delimiter was a character regularly independent subfields. For each and every subfield password ways what sort of studies uses they. (For each and every occupation throughout the MARC 21 expert format, the fresh MARC 21 papers lists and you can identifies the brand new good subfield requirements.)
In the significantly more than example, the subfield codes was $a for personal title, $b getting numeration, $c for titles or any other terminology on the a name, and you can $d having dates associated with the a reputation.
A beneficial delimiter: More software programs play with some other emails so you can depict new delimiter on brand new display or to the printouts.