@conference {5813, title = {Paris, capitale industrielle et commerciale}, booktitle = {Paris sous le second Empire}, year = {2009}, month = {2009/07/28}, publisher = {Universit{\'e} permanente de Paris}, organization = {Universit{\'e} permanente de Paris}, address = {Paris, Centre des Cordeliers, amphith{\'e}{\^a}tre Farabeuf}, author = {Fr{\'e}d{\'e}ric Manfrin} }