... Antoine Lobstein General bounds e for identifying codes in some in nite regular graphs Electron J Combin., 8(1):R39, 2001 [2] Ir`ne Charon, Olivier Hudry, and Antoine Lobstein Identifying codes with ... small e radius in some in nite regular graphs Electron J Combin., 9(1):R11, 2002 [3] G´rard D Cohen, Iiro Honkala, Antoine Lobstein, and Gilles Z´mor On codes idene e tifying vertices in the two-dimensional ... Cranston and Gexin Yu A new lower bound on the density of vertex identifying codes for the in nite hexagonal grid Electron J Combin., 16(1):R113, 2009 [5] Iiro Honkala and Antoine Lobstein On the density...