Items where Year is 1989
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Number of items: 2.
Sastrosubroto, Ashwin S. (1989). A study of the effect of harmonics in the system on the performance of residual current-operated circuit-breakers and electromechanical overcurrent relays. PHD thesis, Aston University.
Woon, Mei Y. (1989). Applying qualitative reasoning to finance. PHD thesis, Aston University.