@article{CM_1980__41_3_401_0,
     author = {Catanese, F.},
     title = {The moduli and the global period mapping of surfaces with $K^2 = p_g = 1$ : a counterexample to the global {Torelli} problem},
     journal = {Compositio Mathematica},
     pages = {401--414},
     publisher = {Sijthoff et Noordhoff International Publishers},
     volume = {41},
     number = {3},
     year = {1980},
     mrnumber = {589089},
     zbl = {0444.14008},
     language = {en},
     url = {http://archive.numdam.org/item/CM_1980__41_3_401_0/}
}