Kinetische Objektenshow
Groningen/Haarlem, Groninger Museum/ De Hallen, 1969. Edited by Cor Blokland. Rare and fun publication on (op) art, fluxus and light art in The Netherlands.
With fibre cover featuring movable optic discs, 10.5 x 28.5 cm, 66 pp. Text in Dutch and English. Contributions by Eventstructure Research Group, Karel Martens, Henk Peeters, Wim T. Schippers and others. First page slightly loose, as is commonly observed with this binding.