@article{MAN_1985__272_164003,
     author = {Brian Harbourne},
     title = {Very {Ample} {Divisors} on {Rational} {Surfaces.}},
     journal = {Mathematische Annalen},
     pages = {139--154},
     publisher = {mathdoc},
     volume = {272},
     year = {1985},
     zbl = {0545.14003},
     url = {http://geodesic.mathdoc.fr/item/MAN_1985__272_164003/}
}