1
2
Published in 1997
3
Published in 1989
journal article
4
5
Published in 1990
journal article
6
Published in 1984
journal article
7
Published in 1985
8
Published in 1985
journal article
9
Published in 1988
journal article
10
Published in 1981
conference paper or compendium article
11
Published in 1984
journal article
12
Published in 1986
conference paper or compendium article
13
14
15
16
Published in 1985
journal article
17
Published in 1985
journal article
18
Published in 1983
journal article
19
20
Published in 1984
journal article