John Craddock Mark Flanagan Stephen J. Redmond Anthony Fagan Construction of Girth 8 LDPC Codes based on Multidimensional Finite Lattices. 655-659 2007 ISCC http://dx.doi.org/10.1109/ISCC.2007.4381604 conf/iscc/2007 db/conf/iscc/iscc2007.html#CraddockFRF07