@article{MAN_1985__273_164080,
     author = {David Cox and Ron Donagi},
     title = {On the {Failure} of {Variational} {Torelli} for {Regular} {Elliptic} {Surfaces} with a {Section.}},
     journal = {Mathematische Annalen},
     pages = {673--684},
     publisher = {mathdoc},
     volume = {273},
     year = {1985},
     zbl = {0566.14005},
     url = {http://geodesic.mathdoc.fr/item/MAN_1985__273_164080/}
}