Prev Next Category: Newsletter Planstudio Siepman Info 1979-05-00 Planstudio Siepmann, West Germany Section: Mail Art Network Sent from: Bornheim-Merten, West Germany Medium: Printed matter Category: Newsletter Dimensions (cm): 30,5 x 21 Pages: 2 Series: no 19 Subject: planstudio siepmann, performance, nature, environment, structure, healing process, bob gysin gallery