The Origins of Feedback Control, first English edition 1970.
MIT Press, Cambridge MA & London, 1970; orig. published in German 1969; 151 pages, Index, Notes, Illustrated with photographs and diagrams throughout.
MIT Press, Cambridge MA & London, 1970; orig. published in German 1969; 151 pages, Index, Notes, Illustrated with photographs and diagrams throughout.
Systems and Procedures Assoc, Cleveland OH 1966; approx. 320 pages indiv. Sections paginated; Index.