1. Cosmological constraints on neutrino degeneracy
2. J. Adams, S. Sarkar, talk presented at the ICTP Workshop on physics of relic neutrinos, Trieste, Italy, 1998, preprint OUTP-98-70P.
3. W.H. Kinney, A. Riotto, Measuring the cosmological lepton asymmetry through the CMB anisotropy, hep-ph/9903459.
4. J. Lesgourgues, S. Pastor, Cosmological implications of a relic neutrino asymmetry, hep-ph/9904411.
5. High-density and high-temperature symmetry behavior in gauge theories