%% You should probably cite draft-ietf-avtext-multiple-clock-rates instead of this I-D.
@techreport{petithuguenin-avtext-multiple-clock-rates-01,
    number =    {draft-petithuguenin-avtext-multiple-clock-rates-01},
    type =      {Internet-Draft},
    institution =   {Internet Engineering Task Force},
    publisher = {Internet Engineering Task Force},
    note =      {Work in Progress},
    url =       {https://datatracker.ietf.org/doc/draft-petithuguenin-avtext-multiple-clock-rates/01/},
    author =    {Marc Petit-Huguenin},
    title =     {{Support for multiple clock rates in an RTP session}},
    pagetotal = 10,
    year =      2011,
    month =     may,
    day =       1,
    abstract =  {This document clarifies the RTP specification when different clock rates are used in an RTP session. It also provides guidance on how to interoperate with legacy RTP implementations that use multiple clock rates.},
}