@article{SMBlog:2009-08-28,
	author = {Steven M. Bellovin},
	title = {One-Time Pads and Vernam's ``Cipher Printing Telegraph Systems'' Paper},
	date = {2009-08-28},
	year = {2009},
	month = {August 28,},
	journal = {SMBlog: Steve Bellovin's Blog (blog)},
	url = {https://www.cs.columbia.edu/~smb/blog/2009-08/2009-08-28.html},
}