  
  
  [1XReferences[101X
  
  [[20XDENMP12[120X]  [16XDelgado, M., Egri-Nagy, A., Mitchell, J. D. and Pfeiffer, M.[116X, [17XViz
  - a GAP package for drawing GAP objects[117X (2012), ((Under development)).
  
  [[20XDFGSL14[120X]  [16XDelgado,  M., Farrán, J. I., García-Sánchez, P. A. and Llena, D.[116X,
  [17XOn the weight hierarchy of codes coming from semigroups with two generators[117X,
  [18XIEEE Trans. Inform. Theory[118X, [19X60[119X, 1 (2014), 282--295.
  
  [[20XDGSM15[120X] [16XDelgado, M., García-Sánchez, P. A. and Morais, J.[116X, [17XNumericalSgps --
  a GAP package for numerical semigroups[117X (2015), ((Version number 1.0)).
  
  [[20XDGSRP16[120X]  [16XDelgado,  M.,  García-Sánchez,  P.  A.  and  Robles-Pérez, A. M.[116X,
  [17XNumerical  semigroups  with  a given set of pseudo-Frobenius numbers[117X, [18XLMS J.
  Comput. Math.[118X, [19X19[119X, 1 (2016), 186--205.
  
  [[20XDM08[120X]  [16XDelgado, M. and Morais, J.[116X, [17XSgpViz -- a user-friendly GAP package to
  deal with semigroups[117X (2008), ((Version number 0.998)).
  
  
  
  [32X
