1. EN 14157 (2004) Natural stone test methods—determination of abrasion resistance. CEN Committee, Brussels, p 19
2. Marradi A, Secchiari L, Lezzerini M (2008) The qualification of stone materials for their application in road stone pavements. In: Second international congress dimension stones, Carrara, Italy, 29–31 May 2008, pp 225–235