@Article{Price94b,
    author = {P. Anninos and R. H. Price and J. Pullin and E. Seidel and W.-M. Suen},
    title = {Head-on collision of two black holes: Comparison ofdifferent approaches},
    journal = {Phys. Rev. D},
    year = {1995},
    key = {Price94b},
    volume = {52},
    pages = {4462-4480},
    note = {PHY94-07882,PHY94-04788,ASC93-18152}
}