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