@phdthesis{77012,
  author = {G.P. van Vledder},
  title = {Improved algorithms for computing the non-linear quadruplet wave-wave interactions in deep and shallow water},
  year = {2001},
  journal = {Ocean Wave Forecasting, 2-4 July 2001},
  pages = {69-86},
  month = {2001},
  publisher = {ECMWF},
  address = {Shinfield Park, Reading},
  language = {eng},
}