@article{MM2_1994__84_1_156001,
     author = {Christian Okonek},
     title = {Notes on {Varieties} of {Codimension} 3 in {Pn.}},
     journal = {Manuscripta mathematica},
     pages = {421--442},
     publisher = {mathdoc},
     volume = {84},
     number = {1},
     year = {1994},
     zbl = {0828.14032},
     url = {http://geodesic.mathdoc.fr/item/MM2_1994__84_1_156001/}
}