Lafon, C., Piazzola, J.Forget, P., LeCalve, O. and Despiau,s.:Analysis of the variations of the whitecap fraction as measured in a coastal zone, Boundary-Layer Meteorol.,Vol.111,pp.339-360,2004
Zhao,D.and Toba,Y.:Dependence of whitecap coverage on wind and wind-wave properties, J.Oceanogr., Vol.57, pp.603-616, 2001