References

Campbell, N. A. (1992) Biology, 3rd ed., Redwood City: Benjamin/Cummings Publiser, pp. 420-499.

Iden, O. (1996) Automorphism groups of free geometries, Journal of Geometry, 56, pp. 52-58.

Mengyán A. (1995) Mengyán András kiállítása, [Exhibition catalogue], Budapest: Műcsarnok, p. 89.