• Heat recovery from exhaust air as a thermal storage energy source for geothermal energy pilesFadejev, Jevgeni; Simson, Raimo; Kurnitski, Jarek; Kesti, JyrkiEnergy procedia2016 / p. 478-488 : ill https://doi.org/10.1016/j.egypro.2016.09.179 https://www.scopus.com/sourceid/17700156736 https://www.scopus.com/record/display.uri?eid=2-s2.0-85006482408&origin=inward&txGid=0cca847519ad25f88486ed6a0f73f69e https://www.webofscience.com/wos/woscc/full-record/WOS:000392696500046