"In a situation where one can obtain probabilistic information about an event, it may also be possible to learn something about the reliability of that info." S. Savari. «Information about information». A: Proceedings. 2001 IEEE International Symposium on Information Theory (IEEE Cat. No.01CH37252), 2001, p. 22. DOI10.1109/ISIT.2001.935885. ISBN 0-7803-7123-2.
