Experimental observation of the far field diffraction patterns of functionalization single and multi-walled carbon nanotubes using nonlinear diffraction technique. Iraqi Journal of Physics, [S. l.], v. 17, n. 40, p. 33–41, 2019. DOI: 10.30723/ijp.v17i40.402. Disponível em: https://ijp.uobaghdad.edu.iq/index.php/physics/article/view/402.. Acesso em: 29 apr. 2024.