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ISSN:0031-9120|47|1|64-68

IOP Publishing‎(2012)‎

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By Harron H. R.   Pritchard R. G.   Cope B. C.   Goddard D. T.   in International Journal of Electronics

ISSN:1362-3060|81|4|485-489

Taylor & Francis Ltd‎(1996)‎

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