Bousso, Raphael; Polchinski, Joseph (14 Jul 2000). "Quantization of four form fluxes and dynamical neutralization of the cosmological constant". Journal of High Energy Physics2000 (6): 006. doi:10.1088/1126-6708/2000/06/006. Bibcode: 2000JHEP...06..006B.
Bousso, Raphael; Polchinski, Joseph (14 Jul 2000). "Quantization of four form fluxes and dynamical neutralization of the cosmological constant". Journal of High Energy Physics2000 (6): 006. doi:10.1088/1126-6708/2000/06/006. Bibcode: 2000JHEP...06..006B.