@article{ASENS_1987_4_20_3_465_0,
     author = {Nobile, A.},
     title = {Genera of curves varying in a family},
     journal = {Annales scientifiques de l'\'Ecole Normale Sup\'erieure},
     pages = {465--473},
     publisher = {Elsevier},
     volume = {Ser. 4, 20},
     number = {3},
     year = {1987},
     doi = {10.24033/asens.1540},
     mrnumber = {89b:14040},
     zbl = {0687.14024},
     language = {en},
     url = {http://archive.numdam.org/articles/10.24033/asens.1540/}
}