A Method for Obtaining Complete Digital Coding Chains. - Bernard Lippel; Irving J. Epstein (IRE Trans. Electron. Comput., 1957)

Maps Preserving the Uniformity of Neighborhood Interconnection Patterns in Tessellation Structures - Serafino Amoroso; Irving J. Epstein (Inf. Control., 1974)

Indecomposable Parallel Maps in Tessellation Structures. - Serafino Amoroso; Irving J. Epstein (J. Comput. Syst. Sci., 1976)