- V. Anastassopoulos and T. Deliyannis, `Method to design FIR Hilbert transformers for delta modulated signals', IEE Proc. G, Circuits, Devices and Systems, 1986, 133, (2), pp. 113-114
- D.E.N. Davies, G. Economou, K. Arora, "Generation of r.f. and microwave signals from low frequency square-wave modulation of a laser diode", Optical and Quantum Electronics, 18, pp. 93-96, 1986.
- G. Economou, R.C. Youngquist, D.E.N. Davies, "Limitations and noise in interferometric systems using frequency ramped single mode diode lasers", Journal of Lightwave Technology, Vol.4, pp. 1601-1608, 1986.
- S. Fotopoulos "Zero forming capacitors optimization in SC biquads" Int.J. of Electronics, Vol. 60, No.5, pp.565-570, 1986.
- S. Fotopoulos "Use of bilinear integrator in design of fully differential SC biquads" Electr. Letters, Vol.22, No.22, October 86.