@article{Cde/Pla/2001, author = "de Trazegnies Otero, Carmen and F.J. Miguel and Urdiales Garc{\'i}a, Cristina and Bandera Rubio, Antonio Jes{\'u}s and Sandoval Hern{\'a}ndez, Francisco", journal = "Electronic Letters, Vol. 37, No. 24", note = " Noviembre 2001 ", pages = "pp. 1448-1449", title = "{P}lanar shape recognition based on {H}idden {M}arkov {M}odels", year = "2001", }