%% You should probably cite draft-ietf-roll-rpl-observations-07 instead of this revision.
@techreport{ietf-roll-rpl-observations-02,
    number =    {draft-ietf-roll-rpl-observations-02},
    type =      {Internet-Draft},
    institution =   {Internet Engineering Task Force},
    publisher = {Internet Engineering Task Force},
    note =      {Work in Progress},
    url =       {https://datatracker.ietf.org/doc/draft-ietf-roll-rpl-observations/02/},
    author =    {Rahul Jadhav and Rabi Narayan Sahoo and Yuefeng Wu},
    title =     {{RPL Observations}},
    pagetotal = 18,
    year =      ** No value found for 'doc.pub_date.year' **,
    month =     ** No value found for 'doc.pub_date' **,
    day =       ** No value found for 'doc.pub_date.day' **,
    abstract =  {This document describes RPL protocol design issues, various observations and possible consequences of the design and implementation choices.},
}