@article{MM2_1996__90_2_156199,
     author = {Emilia Mezzetti and Dario Portelli},
     title = {Threefolds in {P5} with a 3-dimensional family of plane curves.},
     journal = {Manuscripta mathematica},
     pages = {365--382},
     publisher = {mathdoc},
     volume = {90},
     number = {2},
     year = {1996},
     zbl = {0873.14036},
     url = {http://geodesic.mathdoc.fr/item/MM2_1996__90_2_156199/}
}