http://www.cs.cmu.edu/~coke/
http://www.ucc.gu.uwa.edu.au/services/drink.ucc
http://www.cl.cam.ac.uk/coffee/coffee.html
http://faqs.cs.uu.nl/na-dir/csh-coke-machine-info.html
http://www.cs.cmu.edu/~coke/history_long.txt
http://www.cs.wisc.edu/sacm/coke/cokehome.html
