@article{GDZPPN000363413,
title = {Generating Closed 2-Cell Embeddings in the Torus and the Projective Plane.},
journal = {Discrete \& computational geometry},
volume = {2},
year = {1987},
pages = {233-248},
zbl = {0614.51008},
url = {http://dml.mathdoc.fr/item/GDZPPN000363413}
}
Barnette, D.W. Generating Closed 2-Cell Embeddings in the Torus and the Projective Plane.. Discrete & computational geometry, Tome 2 (1987) pp. 233-248. http://gdmltest.u-ga.fr/item/GDZPPN000363413/