@article{GDZPPN002337460, title = {Covering spaces of families of compact Riemann surfaces.}, journal = {Mathematische Annalen}, volume = {293}, year = {1992}, pages = {523-550}, zbl = {0765.32009}, url = {http://dml.mathdoc.fr/item/GDZPPN002337460} }
Napier, Terrence. Covering spaces of families of compact Riemann surfaces.. Mathematische Annalen, Tome 293 (1992) pp. 523-550. http://gdmltest.u-ga.fr/item/GDZPPN002337460/