Yes, there are 2 dates: 1984: the date of the actual events 1994: the date of the online book (4th edition) describing those events: https://www.fourmilab

Yes, there are 2 dates: 1984: the date of the actual events 1994: the date of the online book (4th edition) describing those events: https://www.fourmilab.ch/autofile/ https://www.fourmilab.ch/autofile/