Media type: E-Article Title: Selection rules for indirect transitions and effect of time reversal symmetry Contributor: Doni, E; Parravicini, G Pastori imprint: IOP Publishing, 1973 Published in: Journal of Physics C: Solid State Physics Language: Not determined DOI: 10.1088/0022-3719/6/19/008 ISSN: 0022-3719 Keywords: General Physics and Astronomy ; General Engineering ; Condensed Matter Physics Origination: Footnote: