@inproceedings{LorenzMay2013, author = {Werner Lorenz and Roland May}, title = {CH.ESS: European Summer Schools on Construction History}, booktitle = {Nuts \& Bolts of Construction History, proceedings of the 4th International Congress on Construction History, Paris, July 3-7, 2012, vol. 1}, editor = {Robert Carvais}, pages = {105 -- 112}, year = {2013}, }