TY  - GEN
SP  - 143
TI  - Al Helds "Half Circle in Red" (1963)
AV  - public
UR  - https://archiv.ub.uni-heidelberg.de/artdok/125/
EP  - 147
ID  - artdok125
Y1  - 1990///
CY  - Düsseldorf
A1  - Kohle, Hubertus
ER  -