@misc{indiciaea073291b46be,
  title = {Observations of nonlinear interactions in directionally spread shoaling surface gravity waves},
  author = {Elgar, Steve and Guza, R. T. and Freilich, M. H.},
  year = {1993},
  url = {https://ntrs.nasa.gov/citations/19950053081},
  note = {Source identifier: 19950053081}
}