@misc{rfc3778,
    series =    {Request for Comments},
    number =    3778,
    howpublished =  {RFC 3778},
    publisher = {RFC Editor},
    doi =       {10.17487/RFC3778},
    url =       {https://www.rfc-editor.org/info/rfc3778},
    author =    {E.A Taft and Larry M Masinter and Steve N. Zilles and James D. Pravetz},
    title =     {{The application/pdf Media Type}},
    pagetotal = 14,
    year =      2004,
    month =     may,
    abstract =  {PDF, the 'Portable Document Format', is a general document representation language that has been in use for document exchange on the Internet since 1993. This document provides an overview of the PDF format, explains the mechanisms for digital signatures and encryption within PDF files, and updates the media type registration of 'application/pdf'. This memo provides information for the Internet community.},
}