1
Published 1978
Journal / Magazine Electronic
2
Published 2007
Journal / Magazine Electronic
3
Published 1964
Journal / Magazine Electronic
4
Published 1987
Journal / Magazine Electronic
5
Published 1976
Journal / Magazine Electronic
10
Published 1940
Journal / Magazine
11
12
Published 1970
Journal / Magazine
13
Published 1973
Journal / Magazine
15
Published 1999
Journal / Magazine
16
Published 1968
Journal / Magazine
17
Published 1970
Journal / Magazine
19
Journal / Magazine Electronic
20