% 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/rfc523.txt @misc{rfc523, series = {Request for Comments}, number = 523, howpublished = {RFC 523}, publisher = {RFC Editor}, doi = {10.17487/RFC0523}, url = {https://www.rfc-editor.org/info/rfc523}, author = {}, title = {{SURVEY is in operation again}}, pagetotal = 2, year = 1973, month = jun, abstract = {}, }