| |
| | Physical Description, etc. Fields (3XX) |
 | | (R) The number of pages, volumes, cassettes, total playing time, etc., of the described item. |
 | | Physical characteristics such as illustrative matter, coloration, playing speed, groove characteristics, presence and kind of sound, number of channels, and motion picture presentation format. |
 | | This information consists of the type of storage technique used, the number of items in the data set, and the format in which the data is stored. |
| www.loc.gov /marc/bibliographic/ecbdphys.html (1600 words) |
|