@article{JRAM_1980__314_152209,
     author = {Charles J. Parry},
     title = {A genus theory for quartic fields.},
     journal = {Journal f\"ur die reine und angewandte Mathematik},
     pages = {40--71},
     publisher = {mathdoc},
     volume = {314},
     year = {1980},
     zbl = {0421.12006},
     url = {http://geodesic.mathdoc.fr/item/JRAM_1980__314_152209/}
}