Profession as sibling said, available here: https://www.inf.ufpr.br/renato/profession.html https://www.inf.ufpr.br/renato/profession.html The wikipedia entry a

Profession as sibling said, available here: https://www.inf.ufpr.br/renato/profession.html https://www.inf.ufpr.br/renato/profession.html The wikipedia entry also has link to the text but the above is nicer IMHO, just the raw text. From a previous HN discussion some weeks ago!