A further note on DC-free coset codes. - John J. O'Reilly; Adrian Popplewell (IEEE Trans. Inf. Theory, 1990)

A power efficient coding scheme for low-frequency spectral suppression. - A. Kokkos; Adrian Popplewell; John J. O'Reilly (IEEE Trans. Commun., 1993)

A simple strategy for constructing a class of DC-free error-correcting codes with minimum distance 4. - Adrian Popplewell; John J. O'Reilly (IEEE Trans. Inf. Theory, 1995)