854X ENUMERATION AND CHRONOLOGY--SUPPLEMENTARY MATERIAL (R)
Indicators
First X
Second Undefined; contains a blank (#)
ALEPH uses a special subset of MARC 853/4/5 and 863/4/5
fields for prediction patterns for journals, in order to
facilitate serials control and issue check-in:
Subfield Codes
$a First level of enumeration (NR)
$b Second level of enumeration (NR)
$c Third level of enumeration (NR)
$d Fourth level of enumeration (NR)
$e Fifth level of enumeration (NR)
$f Sixth level of enumeration (NR)
$g Alternative numbering scheme, first level of
enumeration (NR)
$h Alternative numbering scheme, second level of
enumeration (NR)
$i First level of chronology (NR)
$j Second level of chronology (NR)
$k Third level of chronology (NR)
$l Fourth level of chronology (NR)
$3 Issue date of first issue (yyyymmdd) (NR)
$9 Link to the relevant subscription copy (NR)