TY  - BOOK
AU  - Vrijburcht, A.
TI  - Calculations of wave height and ship speed when entering a -lock A. Vrijburcht
CY  - Delft, Holanda : Delft Hydraulics
N1  - "Paper presented at the 2nd International Conference on Nav-igation Lucks, Wroclaw, Poland, 20-22 May, 1986"
ER  -