Absent Minded Professor
No.1, 37-42, 44, 45, 47-51, 53 and extra 1, Rob Weenink, Hanco Kolk et al, Arnhem, 1977-1981 + Schokgolf. Axi(groep) Beeldend Kunstenaars No.1-3, Dordrecht, 1982-83 + AXI. Dordrecht. no. 15, 19, 20/21, 22. - and one more.
(total 24)