@article{JRAM_1990__412_153283,
     author = {Matthias Flach},
     title = {A generalisation of the {Cassel-Tate} pairing.},
     journal = {Journal f\"ur die reine und angewandte Mathematik},
     pages = {113--127},
     publisher = {mathdoc},
     volume = {412},
     year = {1990},
     zbl = {0711.14001},
     url = {http://geodesic.mathdoc.fr/item/JRAM_1990__412_153283/}
}