@article{IM_1984__75_143091,
     author = {D.R. Morrison},
     title = {On {K3} surfaces with large {Picard} number.},
     journal = {Inventiones mathematicae},
     pages = {105--122},
     publisher = {mathdoc},
     volume = {75},
     year = {1984},
     url = {http://geodesic.mathdoc.fr/item/IM_1984__75_143091/}
}