1. Tun, S.M., Adatia, S., Davis, I.M., Sidat, M.S., Costello, W.T., and Crone, G.A.E.: Shaped dual offset reflector antenna for contoured beam spacecraft applications, (IEE Colloquium on Shaped Beam Satellite Antennas, London 1987)
2. ‘Reconfigurable reflector antennas feasibility study’, A technical report of the European Space Agency, 7724/88/NL/PB, January, 1989