1. Altshuler A, Construction and enumeration of regular maps on the torus, Discrete Math. 4 (1973) 201–217
2. Archdeacon D, Topological graph theory: a survey (surveys in graph theory) (1995) (San Francisco, CA)
3. Bondy J A and Murthy U S R, Graph theory with applications (1982) (North Holland, Amsterdam)
4. Brehm U and Schulte E, Polyhedral maps, Handbook of Discrete and Computational Geometry, edited by J E Goodman and J O Rourke (1997) (CRC Press) pp. 345–358
5. Brunet R, Nakamoto A and Negami S, Every 5-connected triangulations of the Klein bottle is Hamiltonian, Yokohama Math. J. 47 (1999) 239–244