@incollection{keating:1998:pos,
    author = {Keating, J. P.},
     title = {Periodic Orbits, Spectral Statistics, and the {R}iemann Zeros},
 booktitle = {Supersymmetry and Trace Formulae: Chaos and Disorder},
    editor = {Keating, J. P. and Khmelnitskii, D. E. and Lerner, I. V.},
 publisher = {Springer-Verlag},
   address = {New York},
      year = {1999},
     pages = {1–15}}