1. Barclay , P. A. 1977 Digital radar areal precipitation measurements Melbourne, Australia
2. Bennett , J. A. R. C. Boston P. A. Barclay Raindrop size study Melbourne, Australia 1979
3. CCIR Study Group 4A Systems in the fixed-satellite service using PCM for telephony; bit error rates at the output of the hypothetical reference circuit 1976
4. CCIR Study Group 5 Propagation data required for space telecommunication systems 1981