@article{SMBlog:2008-01-11,
	author = {Steven M. Bellovin},
	title = {Hacking Trains},
	date = {2008-01-11},
	year = {2008},
	month = {January 11,},
	journal = {SMBlog: Steve Bellovin's Blog (blog)},
	url = {https://www.cs.columbia.edu/~smb/blog/2008-01/2008-01-11.html},
}