2
Published 1990
Journal / Magazine Electronic
4
Published 1998
Journal / Magazine Electronic
5
Published 1958
Journal / Magazine Electronic
6
Published 2004
Journal / Magazine Electronic
10
Published 2005
Journal / Magazine Electronic
11
13
Published 2006
Journal / Magazine Electronic
14
Published 2005
Journal / Magazine Electronic
16
Published 1987
Journal / Magazine Electronic
19
Published 1978
Journal / Magazine Electronic
20