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[12] https://gccassociation.org/concretefuture/getting-to-net-zero/

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[17] EP 2883853B1, Coarse ceramic fire resistant product and method for its manufacture and its use, Refratechnik Holding GmbH, 21.10.2014

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[21] European Cement Research Academy, Ed. The ECRA Technology Papers 2022 - State of the Art Cement Manufacturing - Current Technologies and their Future Development. Duesseldorf, 2022. Available at: https://ecra-online.org/research/technology-papers