@inproceedings{PinnoMoellmannVollmer2013, author = {Frank Pinno and Klaus-Peter M{\"o}llmann and Michael Vollmer}, title = {Cost and energy savings for a factory building after modernizing the heating system}, booktitle = {In: InfraMation 2007 : proceedings / sponsored and published by the Inframation Training Center .... Vol.8, 521-527}, pages = {521 -- 527}, year = {2013}, }