Timur Friedman, Ramón Cáceres, Alan Clark. RTP Control Protocol Extended Reports (RTCP XR). RFC, 3611:1-55, November 2003. [doi]
@article{rfc3611,
title = {RTP Control Protocol Extended Reports (RTCP XR)},
author = {Timur Friedman and Ramón Cáceres and Alan Clark},
year = {2003},
month = {November},
doi = {10.17487/RFC3611},
url = {https://doi.org/10.17487/RFC3611},
researchr = {https://researchr.org/publication/rfc3611},
cites = {0},
citedby = {0},
journal = {RFC},
volume = {3611},
pages = {1-55},
}