% Datatracker information for RFCs on the Legacy Stream is unfortunately often % incorrect. Please correct the bibtex below based on the information in the % actual RFC at https://rfc-editor.org/rfc/rfc439.txt @misc{rfc439, series = {Request for Comments}, number = 439, howpublished = {RFC 439}, publisher = {RFC Editor}, doi = {10.17487/RFC0439}, url = {https://www.rfc-editor.org/info/rfc439}, author = {}, title = {{PARRY encounters the DOCTOR}}, pagetotal = 7, year = 1973, month = jan, abstract = {}, }