A Decimal Code for Analog-to-Digital Conversion. - Bernard Lippel (IRE Trans. Electron. Comput., 1955)

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

Negative-Bit-Weight Codes and Excess Codes. - Bernard Lippel (IEEE Trans. Electron. Comput., 1964)

Comments on "A New Technique for Displaying Continuous Tone Images on a Bilevel Display". - Bernard Lippel (IEEE Trans. Commun., 1978)