@inbook {2149, title = {Chapter One - Introduction}, booktitle = {Advances in Imaging and Electron Physics}, volume = {217}, year = {2021}, publisher = {Science Direct Elsevier}, organization = {Science Direct Elsevier}, chapter = {One-introduction}, doi = {10.1016/bs.aiep.2021.01.001}, author = {Annick De Backer and Jarmo Fatermans and Arnold Jan den Dekker and Sandra Van Aert} }