step three. SUBFIELDS are noted from the SUBFIELD Requirements and you may DELIMITERS
An excellent subfield: Really industries incorporate multiple relevant bits of studies. Every type of data into the career is known as a subfield , and each subfield try preceded by a great delimiter-subfield code integration . Areas 001 because of 009 do not have subfields.
Such as, the field having your own title supposed includes an excellent subfield to possess a personal identity, numeration, titles and dates on the label, one of many others.
A subfield code: Subfield codes is actually you to lowercase page (periodically a number) preceded of the a great delimiter. An excellent delimiter try a character used to independent subfields. For each subfield code ways what type of research comes after it. (For each profession from the MARC 21 expert style, this new MARC 21 paperwork listing and relates to brand new legitimate subfield codes.)
Regarding over example, the newest subfield codes is $a private title, $b to own numeration, $c getting titles or any other conditions with the a reputation, and you can $d having dates in the a name.Подробнее