M.Dolling, Lisa, et al., editors. The Tests of Time: Readings in the Development of Physical Theory. Princeton University Press, 2003, p. 412. . doi:10.2307/j.ctvcm4h07.Недостаје или је празан параметар |title= (помоћ).
Elion, W. J.; Matters, M.; Geigenmüller, U.; Mooij, J. E. (1994), „Direct demonstration of Heisenberg's uncertainty principle in a superconductor”, Nature, 371 (6498): 594—595, Bibcode:1994Natur.371..594E, S2CID4240085, doi:10.1038/371594a0
Elion, W. J.; Matters, M.; Geigenmüller, U.; Mooij, J. E. (1994), „Direct demonstration of Heisenberg's uncertainty principle in a superconductor”, Nature, 371 (6498): 594—595, Bibcode:1994Natur.371..594E, S2CID4240085, doi:10.1038/371594a0
Elion, W. J.; Matters, M.; Geigenmüller, U.; Mooij, J. E. (1994), „Direct demonstration of Heisenberg's uncertainty principle in a superconductor”, Nature, 371 (6498): 594—595, Bibcode:1994Natur.371..594E, S2CID4240085, doi:10.1038/371594a0