Length and Size

This Tag Set has a single general purpose element <size> for recording the number of pages in a book, the showing time of a film, the number of kilo/mega/tera-bytes in a dataset, or any other measurement of size, length, or extent that may be recorded for a cited work. The @units attribute should be used whenever possible to state the units of measure, such as “pages”, “minutes”, “paragraphs”, “MB”, etc., which is typically given in the plural.
The size element is assumed to contain the textual value of the size:
<size units="paragraphs">8</size>
<size units="pages">256</size>