Rugosité (HU) - Wikigeotechhttp://wikigeotech.developpement-durable.gouv.fr/index.php/Rugosit%C3%A9_(HU)https://www.shf-lhb.org/articles/lhb/pdf/1954/01/lhb1954002.pdfhttps://www.shf-lhb.org/articles/lhb/pdf/1954/01/lhb1954002.pdf