Curiale, Ariel Hernan; Vegas-Sanchez-Ferrero, Gonzalo; Aja-Fernandez, Santiago: 'Techniques for tracking: image registration' (Healthcare Technologies, 2018), 'Handbook of Speckle Filtering and Tracking in Cardiovascular Ultrasound Imaging and Video', Chap. 15, pp. 321-351, DOI: 10.1049/PBHE013E_ch15
IET Digital Library, https://digital-library.theiet.org/;jsessionid=36vkbw02twn3s.x-iet-live-01content/books/10.1049/pbhe013e_ch15