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Llana, D.F., Arriaga, F., Esteban, M. and Íñiguez-González, G. 2019. Comparison between wet and dry timber visual strength grading according to the Spanish (UNE 56544) and German (DIN 4074-1) standards. Materiales de Construcción. 69, 336 (Dec. 2019), e205. DOI:https://doi.org/10.3989/mc.2019.03319.