@article{Sha1948,
vgclass = {refpap},
author = {Claude E. Shannon},
title = {A Mathematical Theory of Communication},
journal = {Bell System Technical Journal},
volume = {27},
pages = {379--423 and~623--656},
month = {July and ~October},
year = {1948},
url = {http://cm.bell-labs.com/cm/ms/what/shannonday/paper.html},
}