Colorado, H. A., A. A. Ghilarducci, and H. R. Salva. “Two New Methods to Determine the Adhesion by Means of Internal Friction in Materials Covered With Films”. Revista De Metalurgia, vol. 42, no. 2, Apr. 2006, pp. 138-45, doi:10.3989/revmetalm.2006.v42.i2.14.