- On Finding Ordinary or Monochromatic Intersection Pointsnjc, 15(2):141-153, 2015.

- A Bichromatic Incidence Bound and an Applicationdcg, 46(4):611-625, 2011. [doi]

- Lines, Circles, Planes and Spheresdcg, 44(4):860-882, 2010. [doi]
- Bichromatic and Equichromatic Lines in C:::2::: and R:::2:::dcg, 43(3):563-576, 2010. [doi]

- Two Combinatorial Problems in the Planedcg, 13:441-443, 1995.

- Repeated Angles in E:::4:::dcg, 3:73-75, 1988.

- Integer Division in Linear Time with Bounded Fan-InTC, 36(5):640-644, 1987.

- Two results about points, lines and planesDM, 60:215-218, 1986. [doi]

- On a problem in combinatorial geometryDM, 40(1):45-52, 1982. [doi]
- The independent sets of rank k of a matroidDM, 38(1):87-91, 1982. [doi]

- Two-coloring inequalities for Euclidean arrangements in general positionDM, 31(1):53-58, 1980. [doi]

- The maximal sizes of faces and vertices in an arrangementDM, 28(3):331-334, 1979. [doi]
- Triangles in arrangements of linesDM, 25(2):157-163, 1979. [doi]
- The minimum genus of a two-point universal graphJCT, 26(1):75-77, 1979. [doi]

- Some Combinatorial Problems in the PlaneJCT, 25(2):205-210, 1978.

- A High Security Log-in ProcedureCACM, 17(8):442-445, 1974.
- Spheres Tangent to All the Faces of a SimplexJCT, 17(1):131-133, 1974.
- Some external problems in geometryDM, 7(3-4):305-315, 1974. [doi]