@inproceedings{Fedorov2015, author = {Sergej G. Fedorov}, title = {Early Prefabricated Iron-Ribbed Domes: St. Isaac's Cathedral in St. Petersburg, Russia, 1838 - 1841}, booktitle = {Proceedings of the 5th International Congress on Construction History, Chicago, June 3-7, 2015, vol. 2}, editor = {Brian Bowen}, pages = {61 -- 71}, year = {2015}, }