Åberg, T. (1969). Multiple excitation of a many-electron system by photon and electron impact in the sudden approximation. Suomalainen Tiedeakatemia.
Citação norma ChicagoÅberg, Teijo. Multiple Excitation of a Many-electron System by Photon and Electron Impact in the Sudden Approximation. Helsinki: Suomalainen Tiedeakatemia, 1969.
Citação norma MLAÅberg, Teijo. Multiple Excitation of a Many-electron System by Photon and Electron Impact in the Sudden Approximation. Suomalainen Tiedeakatemia, 1969.
Nota: a formatação da citação pode não corresponder 100% ao definido pela respectiva norma.