@article{JRAM_1992__429_153438,
     author = {M. Furushima and Minoru Tada},
     title = {Non-normal del {Pezzo} durfaces and {Fano} threefolds of the first kind.},
     journal = {Journal f\"ur die reine und angewandte Mathematik},
     pages = {183--190},
     publisher = {mathdoc},
     volume = {429},
     year = {1992},
     zbl = {0744.14029},
     url = {http://geodesic.mathdoc.fr/item/JRAM_1992__429_153438/}
}