1. Adler, R. (2010). Six easy roads to the Planck scale. American Journal of Physics, 78, 925–932.
https://doi.org/10.1119/1.3439650
.
2. Amelino-Camelia, G. (2003). Planck-scale structure of spacetime and some implications for astrophysics and cosmology.
arXiv:astro-ph/0312014
.
3. Bach, E. (1986). Natural language metaphysics. In R. B. Marcus, G. J. W. Dorn, & P. Weingartner (Eds.), Logic, methodology, and philosophy of science. Amsterdam: North Holland.
4. Baez, J. (2000). An introduction to spin foam models of BF theory and quantum gravity. In Lecture notes in physics (Vol. 543, pp. 25–94).
arXiv:gr-qc/9905087
.
5. Barnes, E., & Williams, J. R. G. (2011). A theory of metaphysical indeterminacy. In K. Bennett & D. Zimmerman (Eds.), Oxford studies in metaphysics (Vol. 6). Oxford: Oxford University Press.