1
Published 2000
IEEE

2
Published 2003
IEEE

3
Published 2004
IEEE

4
Published 2005
IEEE

5
Published 2006
IEEE

6
Published 1997
IET

7
Published 2007
IET

8
Published 1990
IET

9
Published 1990
IET

10
Published 2007
IET

11
Published 1992
IET

12
Published 1989
IET

13
Published 2008
IET

14
Published 1989
IET

15
Published 1989
IET

16
Published 1993
IET

17
Published 2008
IEEE

18
Published 1991
IET

19
Published 1994
IEEE

20
Published 1996
IEEE