April 1974 issue of Studio International with cover specially designed for this issue by Klaus Rinke. Edited by Peter Townsend. Contents include: "Art and industry: a systematic approach," by Bernard Smith; "Correspondence;" "On Mounds," by James Davis; "Memories of passing: a note on Richard Long," by R.H. Fuchs; "Phenomenology of a time-space system," by Evelyn Weiss; "Georges Vantongerloo: mathematics, nature and art," by Margit Staber; "Sage of machine wit," by Howard E. Wooden; "Malevich and 'the fourth dimension,'" by Susan Compton; and "Review."
