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| Definition | Byte | Subfield | Code |
|---|---|---|---|
| Category of material | 00 | a | t = text |
| Specific material designation | 01 | b | a = regular print b = large print c = braille d = loose-leaf u = unspecified z = other |
Disks
| Definition | Byte | Subfield | Code | ||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
| Category of material | 00 | a | c = electronic resource | ||||||||
| Material designation | 01 | b | o = optical disc | ||||||||
| Undefined | 02 | ||||||||||
| Color | 03 | d | b = black & white c = multicolored | ||||||||
| Dimensions | 04 | e | g = 4 3/4 in. z = other | ||||||||
| Sound | 05 | f | a = sound | ||||||||
| Image bit depth | 06-08 | g | |||||||||
| File formats | 09 | h | |||||||||
| Quality assurance | 10 | i | |||||||||
| Antecedent/source | 11 | j | |||||||||
| Level of compression | 12 | k | |||||||||
| Reformatting quality | 13 | l |
300 $e
(Note: this is NOT a required subfield. It may not be present.)
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