Every reference with a DOI in the deposited reference list resolved to a known
work in Crossref or DataCite at the dated check, and none carried a retraction,
withdrawal, or removal notice.
The 32 references without a DOI — listed, not checked
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no DOI — not checkedEurostat, EU statistics 2019. https://ec.europa.eu/energy/topics/energy-efficiency/heating-and-cooling_en (accessed 06 July 2021).
no DOI — not checkedA. Jäger-Waldau, PV Status Report 2019, 2019. https://doi.org/10.2760/326629 (accessed 06 July 2021).
no DOI — not checkedEuropean Commission’s Directorates-General for Research and Innovation, Joint Research Centre. Set-Plan Action N°3.2 Implementation Plan; European Commission: Brussels, Belgium, 2018.
no DOI — not checkedEurostat, Energy from renewables sources, EU statistics 2019. https://ec.europa.eu/eurostat/web/energy/data/shares (accessed 06 July 2021).
no DOI — not checkedAdvances in Thermal Energy Storage Systems: Methods and Applications
no DOI — not checkedSolar Engineering of Thermal Processes
no DOI — not checkedIEA, Seasonal thermal energy storage - Report on state of the art and necessary further R + D, IEA-SHC Task 45 Large Syst. (2015) 1–48. http://task45.iea-shc.org/data/sites/1/publications/IEA_SHC_Task45_B_Report.pdf (accessed 06 July 2021).
no DOI — not checkedJ. Dannemand Andersen, L. Bødker, M. V. Jensen, Large thermal energy storage at Marstal district heating, in: 18th Int. Conf. Soil Mech. Geotech. Eng. Challenges Innov. Geotech. ICSMGE 2013, 2013: pp. 3351–3354.
no DOI — not checkedMonitoring Results from Large Scale Heat storages for District Heating in Denmark, in
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no DOI — not checkedCentral Solar Heating Plants With Seasonal Storage
no DOI — not checkedT. Schmidt, J. Nußbicker, S. Raab, Monitoring results from German Central Solar Heating Plants with Seasonal Storage, Proc. Sol. World Congr. 2005 Bringing Water to World, Incl. Proc. 34th ASES Annu. Conf. Proc. 30th Natl. Passiv. Sol. Conf. 3 (2005) 1555–1560.
no DOI — not checkedNew Steps in Seasonal Thermal Energy Storage in Germany
no DOI — not checkedT. Schmidt, D. Mangold, Status of Solar Thermal Seasonal Storage in Germany, in: Effstock, Citeseer, 2009.
no DOI — not checkedI.N.G.F. Fidanza, The first Italian experience on solar district heating in Varese, in: Proc. Int. SDH Conf. 2015, 2015.
no DOI — not checkedS.A. Klein et al, TRNSYS 17: A Transient System Simulation program, Solar Energy Laboratory, University of Wisconsin, Madison, USA, Trnsys. (2010). http://sel.me.wisc.edu/trnsys (accessed 06 July 2021).
no DOI — not checkedEDSL, EDSL Tas (2016). https://www.edsl.net/tas-engineering/ (accessed 06 July 2021).
no DOI — not checkedComsol-Multiphysics, COMSOL Multiphysics® v. 5.2, Stock. Sweden. (2016). www.comsol.com (accessed 06 July 2021).
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no DOI — not checkedUNI, UNI/TS 11300 - 1 Part 1: Evaluation of energy need for space heating and cooling, Stand. UNI/TS. (2008) 11300–11301.
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no DOI — not checkedT. Schmidt, D. Mangold, The multi-functional heat storage in Hamburg-Bramfeld – innovative extension of the oldest German solar energy housing estate, Conf. Proc. “5th Int. Renew. Energy Storage Conf. (IRES 2010). (2010) 0–5.
no DOI — not checkedBINE Informationsdienst, Summer sun against the winter cold, (2011) 1–4. https://idw-online.de/en/news431582 (accessed 06 July 2021).
no DOI — not checkedEW-HT. https://www.melcohit.com/en/products/1660/water-to-water-heat-pumps-heating-only-very-high-temperature-water-production (accessed 06 July 2021).
no DOI — not checkedCOMSOL Multiphysics, Heat Transfer Module, Manual. (2016) 1–222. https://doc.comsol.com/ (accessed 06 July 2021).
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no DOI — not checkedBasics Concrete Construction
no DOI — not checkedNordtex expanded glass granules. https://www.nordtex.it/wp-content/uploads/2017/04/NORDTEX_VITREX_ghiaia_di_vetro_cellulare_scheda_tecnica_2016.pdf (accessed 06 July 2021).
no DOI — not checkedEffective Thermal Conductivity of the Insulation of High Temperature Underground Thermal Stores During Operation, in
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