Horwitz, L.P.; Shashoua, S.; Schieve, W.C. (1989). "A manifestly covariant relativistic Boltzmann equation for the evolution of a system of events". Physica A: Statistical Mechanics and Its Applications. 161 (2). Elsevier BV: 300–338. Bibcode:1989PhyA..161..300H. doi:10.1016/0378-4371(89)90471-8. ISSN0378-4371.
Horwitz, L.P.; Shashoua, S.; Schieve, W.C. (1989). "A manifestly covariant relativistic Boltzmann equation for the evolution of a system of events". Physica A: Statistical Mechanics and Its Applications. 161 (2). Elsevier BV: 300–338. Bibcode:1989PhyA..161..300H. doi:10.1016/0378-4371(89)90471-8. ISSN0378-4371.
Horwitz, L.P.; Shashoua, S.; Schieve, W.C. (1989). "A manifestly covariant relativistic Boltzmann equation for the evolution of a system of events". Physica A: Statistical Mechanics and Its Applications. 161 (2). Elsevier BV: 300–338. Bibcode:1989PhyA..161..300H. doi:10.1016/0378-4371(89)90471-8. ISSN0378-4371.