5. Biennale der Europäischen Grafik, Heidelberg = 5th Biennial of European Graphic Art, Heidelberg = 5ème Biennale de la Gravue Européenne, Heidelberg.
Biennial of European Graphic Art(5th :1988 :Heidelberg)
[Heidelberg? : Europäische Biennale,
1988?]
Biennial of European Graphic Art 1988 : Heidelberg)