Calle Sigüencia, J.I. , Astudillo León, S.V. , Morocho Campos, H.P. and García Salinas, Édgar O. 2016. Automated machine design to shape eyes and ears of automotive crossbows. I+ T+ C- Research, Technology and Science - Unicomfacauca. 1, 10 (Dec. 2016), 47–55.