==Підполя==

A rate at which the described materials are accumulating is expressed as a ratio of volume to a time period.

It may indicate the quantity and frequency of the accruals. Optional. Repeatable. (EX 1, 2, 3)

A measure of reference activity usually expressed as a ratio of a number of retrievals to time period, or by

general terms such as active or inactive this subfiield indicates the measure of reference activity, usually

expressed as a ratio of a number of retrievals to time period, or by general terms such as active or inactive.

Optional. Repeatable. (EX 2

Name of the institution to which field applies in the coded form if it is considered necessary by the agency

which creates the record to identify specific attributes of an item.

If the institution holds more than one copy the shelfmark of the item should be added after a colon. Not

repeatable.

Part of the described materials to which the field applies. Not repeatable. (EX 3)

==Взаємопов’язані поля==