Simunovic, G.; Svalina, I.; Simunovic, K.; Saric, T.; Havrlisan, S.; Vukelic, D. (2016). Surface roughness assessing based on digital image features, Advances in Production Engineering & Management, Vol. 11, No. 2, 93-104, http://dx.doi.org/10.14743/apem2016.2.212.