@techreport{Lyon2006,
author = {Lyon, J.R.},
title= {The Retirement of Aged Noblemen into their Monastic Foundations: Interpreting the Sources from High Medieval Germany},
year = {2006},
URL = {http://cas.uchicago.edu/workshops/medieval/Precirculated%20papers/Jonathan%20Lyon.pdf},
institution = {Medieval Studies Workshop},
number = {October 2006},
}