@unpublished{silvis-burgers16-pres,
    author = {Silvis, M. and Verstappen, R.},
    date = {2016-06-16},
    title = "Physically consistent turbulence models for large-eddy simulation",
    location = {\textit{Burgers Symposium 2016}, Lunteren, The Netherlands, June 16--17, 2016},
}