007 PHYSICAL DESCRIPTION FIXED FIELD (R) ELECTRONIC RESOURCE
00 Category of material c Electronic resource 01 Specific material designation a Tape cartridge b Chip cartridge c Computer optical disc cartridge f Tape cassette h Tape reel j Magnetic disc m Magneto-optical disc o Optical disc r Remote u Unknown z Other | No attempt to code 02 Undefined (Original versus reproduction Obsolete) f Facsimile [OBSOLETE] o Original [OBSOLETE] r Reproduction [OBSOLETE] u Unknown [OBSOLETE] 03 Color a One color b Black-and-white c Multicolored g Gray scale h Hand colored [OBSOLETE] m Mixed n Not applicable u Unknown z Other | No attempt to code 04 Dimensions a 3 1/2 in. e 12 in. g 4 3/4 in. or 12 cm. i 1 1/8 x 2 3/8 in. j 3 7/8 x 2 1/2 in. n Not applicable o 5 1/4 in. u Unknown v 8 in. z Other | No attempt to code 05 Sound ^ No sound (silent) a Sound on medium u Unknown | No attempt to code 06-08 Image bit depth 001-999 Exact bit depth mmm Multiple nnn Not applicable --- Unknown ||| No attempt to code 09 File formats a One file format m Multiple file formats u Unknown | No attempt to code 10 Quality assurance targets a Absent n Not applicable p Present u Unknown | No attempt to code 11 Antecedent/source a File reproduced from original b File reproduced from microform c File reproduced from electronic resource d File reproduced from an intermediate (not microform) m Mixed n Not applicable u Unknown | No attempt to code 12 Level of compression a Uncompressed b Lossless d Lossy m Mixed u Unknown | No attempt to code 13 Reformatting quality a Access p Preservation r Replacement u Unknown | No attempt to code