584 - Accumulation and Frequency of Use Note (R)
MARC 21 Bibliographic - Concise
2007
Measurements of and information about the rates of accumulation (for continuing,
open-ended accessions) and/or the rate of reference use of the described materials.
Indicators
First - Undefined
# - Undefined
Second - Undefined
# - Undefined
Subfield Codes
$a - Accumulation (R)
Rate at which the described materials are accumulating expressed as a ratio of
volume to time period.
$b - Frequency of use (R)
Measure of reference activity, usually expressed as a ratio of number of
retrievals to time period, or by general terms such as active or inactive.
$3 - Materials specified (NR)
$5 - Institution to which field applies (NR)
$8 - Field link and sequence number (R)
Examples
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| 584 |
##$3General subject files$a45 cu. ft. average annual accumulation 1970-1979.$a5.4 cu. ft. average monthly accumulation, 1979-82.$aCurrent average monthly accumulation is 2 cu.
ft.
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| 584 |
##$bAn average of 15 reference requests per month, with
peak demand during June and December.$bTotal reference requests for 1984: 179.
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| 584 |
##$3Employee records$a10 cu. ft. annual accumulation.
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