DR1999:0207:002
17 December 1985
Axonometrics for rings
DR1999:0207:003
11 December 1985
DR1999:0207:004
11 December 1985
DR1999:0502:001
1992
DR1999:0502:002
1992
DR1994:0129:136
1967-1968
DR1994:0154:144
DR1994:0148:247-247
1985
DR1994:0148:248-248
1985
DR1994:0148:252-252
1985