@article{MM2_1990__68_2_155539,
     author = {Lorenzo Ramero},
     title = {Effective {Estimates} for {Unirationality.}},
     journal = {Manuscripta mathematica},
     pages = {435--446},
     publisher = {mathdoc},
     volume = {68},
     number = {2},
     year = {1990},
     zbl = {0731.14034},
     url = {http://geodesic.mathdoc.fr/item/MM2_1990__68_2_155539/}
}