Volume 9 (1981-1982) no. 2
Table of contents
Talk no. 18, 6 p.
Talk no. 19, 6 p.
Talk no. 20, 23 p.
Talk no. 21, 7 p.
Talk no. 22, 8 p.
Talk no. 24, 19 p.
Talk no. 25, 8 p.
Talk no. 26, 15 p.
Talk no. 28, 8 p.