@article{10_4064_aa127_3_1,
     author = {Franck Lepr\'evost and Michael Pohst and Andreas Sch\"opp},
     title = {Units in some parametric families of quartic fields},
     journal = {Acta Arithmetica},
     pages = {205--216},
     publisher = {mathdoc},
     volume = {127},
     number = {3},
     year = {2007},
     doi = {10.4064/aa127-3-1},
     language = {en},
     url = {http://geodesic.mathdoc.fr/articles/10.4064/aa127-3-1/}
}