Bohr, A.; Mottelson, B. R.; Pines, D. (15 May 1958). "Possible Analogy between the Excitation Spectra of Nuclei and Those of the Superconducting Metallic State". Physical Review. 110 (4). American Physical Society (APS): 936–938. Bibcode:1958PhRv..110..936B. doi:10.1103/physrev.110.936. ISSN0031-899X.
Bohr, A.; Mottelson, B. R.; Pines, D. (15 May 1958). "Possible Analogy between the Excitation Spectra of Nuclei and Those of the Superconducting Metallic State". Physical Review. 110 (4). American Physical Society (APS): 936–938. Bibcode:1958PhRv..110..936B. doi:10.1103/physrev.110.936. ISSN0031-899X.
Bohr, A.; Mottelson, B. R.; Pines, D. (15 May 1958). "Possible Analogy between the Excitation Spectra of Nuclei and Those of the Superconducting Metallic State". Physical Review. 110 (4). American Physical Society (APS): 936–938. Bibcode:1958PhRv..110..936B. doi:10.1103/physrev.110.936. ISSN0031-899X.