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https://lup.lub.lu.se/search/publication/3947291 The effect of ageing on the salt-frost resistance of concrete | Lund University Publications the effect frost resistance lund university ageing salt https://www.rabdim.pl/index.php/rb/article/view/v7n3p19 Analysis of frost resistance test results for hydraulically bound mixtures | Roads and Bridges –... roads and bridges frost resistance test results analysis hydraulically