@article{CMH_1990__65_3_140184,
     author = {Thomas Bartsch},
     title = {On the genus of represenattion spheres.},
     journal = {Commentarii mathematici Helvetici},
     pages = {85--95},
     year = {1990},
     volume = {65},
     number = {3},
     zbl = {0704.57024},
     url = {http://geodesic.mathdoc.fr/item/CMH_1990__65_3_140184/}
}