POTOČNIK, David, DOLŠAK, Bojan in ULBIN, Miran, 2013, GAJA : 3-D CAD methodology for developing a parametric system for the automatic (re)modeling of compound washer dies’ cutting-components. Journal of Zhejiang University [na spletu]. 2013. Vol. 14, no. 5, p. 327–340. [Dostopano 23 marec 2025]. DOI 10.1631/jzus.A1200245. Pridobljeno s: http://www.zju.edu.cn/jzus/iparticle.php?doi=10.1631/jzus.A1200245