300 PHYSICAL DESCRIPTION (R)
Indicators - Both undefined; each contains a blank (^)
Subfield Codes $a Extent (R) $b Other physical details (NR) $c Dimensions (R) $d Accompanying material [OBSOLETE] $e Accompanying material (NR) $f Type of unit (R) $g Size of unit (R) $k Speed [videodiscs, pre-AACR2 records only] [OBSOLETE] $m Identification/manufacturere number [pre-AACR2 records only] [OBSOLETE] $n Matrix and/or take number [sound recordings,pre-AACR2 records only] [OBSOLETE] $3 Materials specified (NR) $6 Linkage (NR) $8 Field link and sequence number (R)