@phdthesis{heil:1995:nts,
    author = {Heil, M.},
     title = {Numerical Tools for the Study of Finite Gap Solutions
              of Integrable Systems},
    school = {Technischen Universit\"at Berlin},
      year = {1995},
      note = {(All relevant material, plus corrections, are included
              in \citet{Deconinck:2004:CRT}.)}}