@article{MM2_1998__95_3_156371,
     author = {K. Hulek and C. Ciliberto},
     title = {A remark on the geometry of elliptic scrolls and bielliptic surfaces.},
     journal = {Manuscripta mathematica},
     pages = {213--224},
     publisher = {mathdoc},
     volume = {95},
     number = {3},
     year = {1998},
     zbl = {0936.14025},
     url = {http://geodesic.mathdoc.fr/item/MM2_1998__95_3_156371/}
}