TY - GEN AU - Jongeling, T.H.G. AU - Kolkman, P.A. ED - Delf Hydraulics TI - Subharmonic standing cross waves leading to law-frequency resonance of a submersible flap-gate barrier PY - 1995/// CY - Marknesse PB - Delft Hydraulics KW - SURGE PROTECTION KW - OCEANOGRAPHY KW - WATER WAVES ER -