@article{SMBlog:2019-11-17,
	author = {Steven M. Bellovin},
	title = {The Early History of Usenet, Part {IV}: File Format},
	date = {2019-11-17},
	year = {2019},
	month = {November 17,},
	journal = {SMBlog: Steve Bellovin's Blog (blog)},
	url = {https://www.cs.columbia.edu/~smb/blog/2019-11/2019-11-17.html},
}