@article{MAN_1988__282_2_164489,
     author = {Joe Harris and Rick Miranda and Ciro Ciliberto},
     title = {General {Components} of the {Noether-Lefschetz} {Locus} and their {Density} in the {Space} of all {Surfaces.}},
     journal = {Mathematische Annalen},
     pages = {667--680},
     publisher = {mathdoc},
     volume = {282},
     number = {2},
     year = {1988},
     zbl = {0671.14017},
     url = {http://geodesic.mathdoc.fr/item/MAN_1988__282_2_164489/}
}