Carlos Munuera Guilherme C. Tizziotti Fernando Torres Two-Point Codes on Norm-Trace Curves. 128-136 2008 ICMCTA http://dx.doi.org/10.1007/978-3-540-87448-5_14 conf/icmcta/2008 db/conf/icmcta/icmcta2008.html#MunueraTT08