References

  • Dulmage, A. L. and Mendelsohn, N. F. (1958), “Coverings of Bipartite Graphs,” Canadian Journal of Mathematics, 10, 517–534.

  • Gómez, V. and Maravall, A. (1997a), Guide for Using the Programs TRAMO and SEATS, Beta Version, Madrid: Banco de España.

  • Gómez, V. and Maravall, A. (1997b), Programs TRAMO and SEATS: Instructions for the User, Beta Version, Madrid: Banco de España.