1. A. de Gouvea, arXiv:
hep-ph/0411274
2. LSND Collaboration, A. Aguilar et al., Phys. Rev. D 64, 112007 (2001)
3. MiniBooNE Collaboration, A.A. Aguilar-Arevalo et al.,
arXiv:hep-px/0704.1500
4. MiniBooNE Collaboration, W. Louis, J. Conard, talk at Fermilab, April 11, 2007.
http://www-boone.fnal.gov/publicpages.First_Results.pdf
5. M. Maltoni, T. Schwetz,
arXiv:hep-ph/0705.0107v2