@article{CMH_1995__70_3_140376,
     author = {Marcello Robbiani},
     title = {Rational points of bounded height on {Del} {Pezzo} surfaces of degree six.},
     journal = {Commentarii mathematici Helvetici},
     pages = {403--422},
     publisher = {mathdoc},
     volume = {70},
     number = {3},
     year = {1995},
     zbl = {0858.14009},
     url = {http://geodesic.mathdoc.fr/item/CMH_1995__70_3_140376/}
}