1. Chapter 2 in Barkhausen Noise for Nondestructive Testing and Materials Characterization in Low-Carbon Steels, eds. Tu Le Manh, J.A. Perez-Benitez, J.H. Espina Hernandez and J.M. Hallen Lopez, in Woodhead Publishing Series in Electronic and Optical Materials, Elsevier, June 2020, pp. 25-71.