Geometry & Topology Monographs Volume 1 (1998)

1	E Bujalance, Cyclic groups of automorphisms of compact nonorientable Klein surfaces without boundary, Pacific J. Math. 109 (1983) 279 MR721920
2	E Bujalance, A F Costa, S M Natanzon, D Singerman, Involutions of compact Klein surfaces, Math. Z. 211 (1992) 461 MR1190222
3	E Bujalance, J J Etayo, J M Gamboa, G Gromadzki, Automorphism groups of compact bordered Klein surfaces, Lecture Notes in Mathematics 1439, Springer (1990) MR1075411
4	A M Macbeath, The classification of non-euclidean plane crystallographic groups, Canad. J. Math. 19 (1967) 1192 MR0220838
5	A M Macbeath, Action of automorphisms of a compact Riemann surface on the first homology group, Bull. London Math. Soc. 5 (1973) 103 MR0320301
6	W Scherrer, Zur Theorie der endlichen Gruppen topologischer Abbildungen von geschlossenen Flächen in sich, Comment. Math. Helv. 1 (1929) 69 MR1509389
7	D Singerman, Subgroups of Fuschian groups and finite permutation groups, Bull. London Math. Soc. 2 (1970) 319 MR0281805
8	D Singerman, On the structure of non–Euclidean crystallographic groups, Proc. Cambridge Philos. Soc. 76 (1974) 233 MR0348003