%0 Journal Article %A Lorenzo Ramero %T Effective Estimates for Unirationality. %J Manuscripta mathematica %D 1990 %P 435-446 %V 68 %N 2 %I mathdoc %U http://geodesic.mathdoc.fr/item/MM2_1990__68_2_155539/ %F MM2_1990__68_2_155539