%% You should probably cite draft-li-core-conditional-observe-05 instead of this revision.
@techreport{li-core-conditional-observe-00,
    number =    {draft-li-core-conditional-observe-00},
    type =      {Internet-Draft},
    institution =   {Internet Engineering Task Force},
    publisher = {Internet Engineering Task Force},
    note =      {Work in Progress},
    url =       {https://datatracker.ietf.org/doc/draft-li-core-conditional-observe/00/},
    author =    {Shitao Li},
    title =     {{Conditioanal observe in CoAP}},
    pagetotal = 12,
    year =      2012,
    month =     feb,
    day =       16,
    abstract =  {CoAP is a RESTful application protocol for constrained nodes and networks. This document defines a new mechanism in CoAP Observe so that a CoAP client can conditional observe a resource on a CoAP server. Note Discussion and suggestions for improvement are requested, and should be sent to core@ietf.org.},
}