Rugh, S. E.; Zinkernagel, H. (2002). «The Quantum Vacuum and the Cosmological Constant Problem». Studies in History and Philosophy of Modern Physics, vol. 33 (4): 663–705. arXiv:hep-th/0012253. doi:10.1016/S1355-2198(02)00033-3.(անգլ.)
doi.org
Rugh, S. E.; Zinkernagel, H. (2002). «The Quantum Vacuum and the Cosmological Constant Problem». Studies in History and Philosophy of Modern Physics, vol. 33 (4): 663–705. arXiv:hep-th/0012253. doi:10.1016/S1355-2198(02)00033-3.(անգլ.)