T. Schürmann, I. Hoffmann: A closer look at the uncertainty relation of position and momentum. In: Foundations of Physics. Band39, Nr.8, 2009, S.958–963, doi:10.1007/s10701-009-9310-0, arxiv:0811.2582.
Masanao Ozawa: Physical content of Heisenberg’s uncertainty relation: Limitation and reformulation. In: Phys. Lett. A. Band318, 2003, S.21–29, arxiv:quant-ph/0210044.
J. B. M. Uffink, J. Hilgevoord: Uncertainty principle and uncertainty relations. In: Foundations of Physics. Band15, Nr.9, 1985, S.925–944, doi:10.1007/BF00739034.
T. Schürmann, I. Hoffmann: A closer look at the uncertainty relation of position and momentum. In: Foundations of Physics. Band39, Nr.8, 2009, S.958–963, doi:10.1007/s10701-009-9310-0, arxiv:0811.2582.
H. P. Robertson: The Uncertainty Principle. In: Physical Review. Band34, Nr.1, 1929, S.163–164, doi:10.1103/PhysRev.34.163.