@book{khamis:1965:tig,
    author = {Khamis, Salem H.},
     title = {Tables of the Incomplete Gamma Function Ratio: The Chi-square
              Integral, the {P}oisson Distribution},
      note = {In cooperation with W. Rudert},
 publisher = {Justus von Liebig Verlag},
   address = {Darmstadt},
      year = {1965},
     pages = {il+412},
  language = {German, English},
   mrclass = {62A05 (62Q05)},
  mrnumber = {MR0362816 (50 \#15255)},
     zblno = {0171.40105}}