DR1995:0274:049:001
1980?
DR1995:0274:049:002
20 March 1980
DR1995:0274:049:002:001
15-16 July 1980
DR1995:0274:049:002:002
1980
Unibad: notes and sketches
DR1995:0274:049:003
10 April 1980
Unibad: notes and sketches
DR1995:0274:049:004
10 April 1980
Unibad: notes and sketches
DR1995:0274:049:005
10 April 1980
Unibad: notes and sketches
DR1995:0274:049:006
10 April 1980