@article{IM_1989__98_1_143731,
     author = {F. Catanese},
     title = {Everywhere non reduced moduli spaces.},
     journal = {Inventiones mathematicae},
     pages = {293--310},
     publisher = {mathdoc},
     volume = {98},
     number = {1},
     year = {1989},
     zbl = {0701.14039},
     url = {http://geodesic.mathdoc.fr/item/IM_1989__98_1_143731/}
}