Mehra 1972,第17頁 Mehra, Jagdish. The Golden Age of Theoretical Physics: P. A. M. Dirac's Scientific Works from 1924–1933. Wigner, Eugene Paul; Salam, Abdus (编). Aspects of Quantum Theory. Cambridge: University Press. 1972: 17–59. ISBN 0521086000. OCLC 532357.
Mehra 1972,第18頁 Mehra, Jagdish. The Golden Age of Theoretical Physics: P. A. M. Dirac's Scientific Works from 1924–1933. Wigner, Eugene Paul; Salam, Abdus (编). Aspects of Quantum Theory. Cambridge: University Press. 1972: 17–59. ISBN 0521086000. OCLC 532357.
P. B. Price; E. K. Shirk; W. Z. Osborne; L. S. Pinsky. Evidence for Detection of a Moving Magnetic Monopole. Physical Review Letters (American Physical Society). 1975-08-25, 35 (8): 487–490. Bibcode:1975PhRvL..35..487P. doi:10.1103/PhysRevLett.35.487.引文使用过时参数coauthors (帮助)
Blas Cabrera. First Results from a Superconductive Detector for Moving Magnetic Monopoles. Physical Review Letters (American Physical Society). 1982-05-17, 48 (20): 1378–1381. Bibcode:1982PhRvL..48.1378C. doi:10.1103/PhysRevLett.48.1378.
D.J.P. Morris, D.A. Tennant, S.A. Grigera, B. Klemke, C. Castelnovo, R. Moessner, C. Czter-nasty, M. Meissner, K.C. Rule, J.-U. Hoffmann, K. Kiefer, S. Gerischer, D. Slobinsky, and R.S. Perry. Dirac Strings and Magnetic Monopoles in Spin Ice Dy2Ti2O7. Science (Science). 2009-09-03, 326 (5951): 411. Bibcode:2009Sci...326..411M. PMID 19729617. doi:10.1126/science.1178868.使用|accessdate=需要含有|url= (帮助)
P. B. Price; E. K. Shirk; W. Z. Osborne; L. S. Pinsky. Evidence for Detection of a Moving Magnetic Monopole. Physical Review Letters (American Physical Society). 1975-08-25, 35 (8): 487–490. Bibcode:1975PhRvL..35..487P. doi:10.1103/PhysRevLett.35.487.引文使用过时参数coauthors (帮助)
Blas Cabrera. First Results from a Superconductive Detector for Moving Magnetic Monopoles. Physical Review Letters (American Physical Society). 1982-05-17, 48 (20): 1378–1381. Bibcode:1982PhRvL..48.1378C. doi:10.1103/PhysRevLett.48.1378.
D.J.P. Morris, D.A. Tennant, S.A. Grigera, B. Klemke, C. Castelnovo, R. Moessner, C. Czter-nasty, M. Meissner, K.C. Rule, J.-U. Hoffmann, K. Kiefer, S. Gerischer, D. Slobinsky, and R.S. Perry. Dirac Strings and Magnetic Monopoles in Spin Ice Dy2Ti2O7. Science (Science). 2009-09-03, 326 (5951): 411. Bibcode:2009Sci...326..411M. PMID 19729617. doi:10.1126/science.1178868.使用|accessdate=需要含有|url= (帮助)
D.J.P. Morris, D.A. Tennant, S.A. Grigera, B. Klemke, C. Castelnovo, R. Moessner, C. Czter-nasty, M. Meissner, K.C. Rule, J.-U. Hoffmann, K. Kiefer, S. Gerischer, D. Slobinsky, and R.S. Perry. Dirac Strings and Magnetic Monopoles in Spin Ice Dy2Ti2O7. Science (Science). 2009-09-03, 326 (5951): 411. Bibcode:2009Sci...326..411M. PMID 19729617. doi:10.1126/science.1178868.使用|accessdate=需要含有|url= (帮助)
Mehra 1972,第17頁 Mehra, Jagdish. The Golden Age of Theoretical Physics: P. A. M. Dirac's Scientific Works from 1924–1933. Wigner, Eugene Paul; Salam, Abdus (编). Aspects of Quantum Theory. Cambridge: University Press. 1972: 17–59. ISBN 0521086000. OCLC 532357.
Mehra 1972,第18頁 Mehra, Jagdish. The Golden Age of Theoretical Physics: P. A. M. Dirac's Scientific Works from 1924–1933. Wigner, Eugene Paul; Salam, Abdus (编). Aspects of Quantum Theory. Cambridge: University Press. 1972: 17–59. ISBN 0521086000. OCLC 532357.