Anderson, R. L. (1960). "Germanium-Gallium Arsenide Heterojunctions [Letter to the Editor]". IBM Journal of Research and Development. 4 (3): 283–287. doi:10.1147/rd.43.0283. ISSN0018-8646.
Anderson, R. L. (1960). "Germanium-Gallium Arsenide Heterojunctions [Letter to the Editor]". IBM Journal of Research and Development. 4 (3): 283–287. doi:10.1147/rd.43.0283. ISSN0018-8646.