@article{Barger,
    author = "Barger, Vernon D. and Whisnant, K. and Pakvasa, S. and Phillips, R. J. N.",
    title = "{Matter Effects on Three-Neutrino Oscillations}",
    reportNumber = "DOE-ER/00881-152",
    doi = "10.1103/PhysRevD.22.2718",
    journal = "Phys. Rev. D",
    volume = "22",
    pages = "2718",
    year = "1980"
}