GOPAL, Ram; JAIN, Pradip Kumar. Design methodology and simulation study of a FEL amplifier. International Journal of Engineering & Technology, [S. l.], v. 7, n. 4, p. 3175–3181, 2018. DOI: 10.14419/ijet.v7i4.21559. Disponível em: https://www.sciencepubco.com/index.php/ijet/article/view/21559.. Acesso em: 2 may. 2024.