1
Published 1996
Journal / Magazine Electronic
2
Published 2005
Journal / Magazine Electronic
4
Journal / Magazine Electronic
5
Journal / Magazine Electronic
6
7
10
Published 2004
Journal / Magazine Electronic
12
Published 2005
Journal / Magazine Electronic
14
Published 1982
Journal / Magazine Microform
15
Published 2003
Journal / Magazine Electronic
16
Published 1980
Journal / Magazine
17
Published 2000
Journal / Magazine Electronic
18
Published 1999
Journal / Magazine Electronic
19
Published 2000
Journal / Magazine Electronic
20
Published 2013
Journal / Magazine Electronic