1. Elle B. J. (1958). An investigation at low speed of the flow near the apex of thin delta wings with sharp leading edges. ARC 19,780—Perf. 1621-F.M. 2629, Jan. 1958.
2. Werlé H. (1960). Sur l'eclatement des tourbillons d'apex d'une aile delta aux faibles vitesses. La Recherche Aeronautique, No. 74, Jan./Feb. 1960.
3. Saab Sweden. Unpublished transonic wind tunnel work on pointed wings.