1
Published in 1995
2
Published in 1987
journal article
3
Published in 1984
4
Published in 1992
5
Published in 1988
monograph
6
Published in 1987
7
Published in 1989
8
Published in 1982
9
Published in 1984
journal article
10
Published in 1996
11
Published in 1992
12
Published in 1983
journal article
13
Published in 1983
journal article
14
Published in 1988
monograph
15
16
17
Published in 1988
monograph
18
Published in 1981
19
Published in 1984
20
Published in 1983