'Diffraction of Electromagnetic Waves at Black Bodies: Generalization of Kirchhoff-Kottler Theory' (Electromagnetic Waves, 2009), 'Theory of Edge Diffraction in Electromagnetics: Origination and validation of the physical theory of diffraction', Chap. 1, pp. 11-44, DOI: 10.1049/SBEW054E_ch1
IET Digital Library, https://digital-library.theiet.org/;jsessionid=3q06n5onn843n.x-iet-live-01content/books/10.1049/sbew054e_ch1