Pulles, C. J. A. (1988). Drag reduction of turbulent boundary layers by means of grooved surfaces. s.n.].
Chicago-viite (17. p.)Pulles, Cornelis Johannes Adrianus. Drag Reduction of Turbulent Boundary Layers by Means of Grooved Surfaces. [S.l.: s.n.], 1988.
MLA-viite (8. p.)Pulles, Cornelis Johannes Adrianus. Drag Reduction of Turbulent Boundary Layers by Means of Grooved Surfaces. s.n.], 1988.
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