HELM, M. ON THE VALIDITY OF WEISSKOPF PHASE SHIFT IN THE PRESSURE BROADENING AND SHIFT OF SPECTRAL LINES. Biological Sciences - PJSIR, [S. l.], v. 37, n. 12, p. 499–502, 2022. Disponível em: https://v2.pjsir.org/index.php/biological-sciences/article/view/2757. Acesso em: 22 nov. 2024.