@article{RSMUP_2004__111__161_0,
     author = {Barile, Margherita and Morales, Marcel},
     title = {On unions of scrolls along linear spaces},
     journal = {Rendiconti del Seminario Matematico della Universit\`a di Padova},
     pages = {161--178},
     publisher = {Seminario Matematico of the University of Padua},
     volume = {111},
     year = {2004},
     mrnumber = {2076738},
     zbl = {1167.14317},
     language = {en},
     url = {http://archive.numdam.org/item/RSMUP_2004__111__161_0/}
}