41
Published 2008
IEEE

43
Published 1993
IET

44
Published 1995
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45
Published 2011
IEEE

46
Published 2011
IEEE

47
Published 2010
IEEE

48
Published 2010
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49
Published 1996
IEEE

50
Published 1998
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51
Published 2005
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52
Published 1991
IEEE

53
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IEEE

54
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55
Published 1999
IEEE

56
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IEEE

58
Published 1991
IEEE

59
Published 1994
IEEE