%0 Journal Article
%A Ville Junnila
%A Tero Laihonen
%T Optimal lower bound for 2-identifying codes in the hexagonal grid
%J The electronic journal of combinatorics
%D 2012
%V 19
%N 2
%U http://geodesic.mathdoc.fr/articles/10.37236/2414/
%R 10.37236/2414
%F 10_37236_2414