@Article{Seidel91b,
    author = {Edward Seidel},
    title = {Normal Mode Excitation from Stellar Collapse to a BlackHole: Odd- Parity Perturbations},
    journal = {Phys. Rev. D},
    year = {1991},
    key = {Seidel91b},
    volume = {44},
    pages = {950}
}