|
|
| Indicators |
1st - |
Undefined |
| |
2nd - |
Undefined |
|
| Subfields |
_a |
Extent (R) |
| |
_b |
Other physical details (NR) |
|
_c |
Dimensions (R) |
|
_e |
Accompanying material (NR) |
|
_f |
Type of unit (R) |
|
_g |
Size of unit (R) |
|
_3 |
Materials specified (NR) |
| |
_6 |
Linkage (NR) |
| |
_8 |
Field link and sequence number (R) |
|
| Guidelines |
- Rules X.5 in chapters 1-12 of AACR2R give instructions for physical descriptions of different media.
- Illustration types that may be listed in subfield _b for books are found in AACR2R rule 2.5C2.
- The dimensions for books are given in centimeters (cm).
- Floppy disks are 5 1/4 in. or 3 1/2 in.
- Most videotapes are 1/2 in.
- Videodiscs are 12 in.
- Compact disc dimensions are 4 3/4 in.
- At the end of subfield _a (extent of item):
|
| Examples |
| 300 ## |
_a1 sound disc (20 min.)
: |
|
_banalog, 33 1/3 rpm, stereo. ; |
|
_c12 in. |
| 300 ## |
_a1 videocresourcete (15 min.) : |
|
_bsd., col. ; |
|
_c1/2 in. + |
|
_e1 guide. |
| 300 ## |
_a1 sound cresourcete (3 min., 17sec.) : |
|
_bdigital. |
| 300 ## |
_a2 computer disks : |
|
_bcol. ; |
|
_c3 1/2 in. |
| 300 ## |
_a1 filmstrip (50 fr.) : |
|
_bcol. ; |
|
_c35 mm. + |
|
_e1 sound cresourcete (12 min.) + 1
booklet. |
|