Ertas, M. , Onel, A. , Ekinci, G. , Toydemir, B. , Durdu, S. , Usta, M. , Arslan, L.. "Investigation of VN/TiN Multilayer Coatings on AZ91D Mg Alloys". World Academy of Science, Engineering and Technology, Open Science Index 97, International Journal of Materials and Metallurgical Engineering, (2015), 9(1), 53 - 57.