http://www.rfc-editor.org/rfc/rfc2503.txt
RFC 2503: MIME Types for Use with the ISO ILL Protocol, R. Moulton, M. Needleman1999-02-01T23:00:00-00:00This memorandum describes a set of MIME types for use with the ISO Interlibrary Loan Protocol (ISO 10160/10161). This memo provides information for the Internet community.