1991 - Humanscale 19 (Hardcover) ISBN-13: 9780262041232 ISBN-10: 0262041235 Genre: Engineering & Transportation ? 1982 - Humanscale 7/8/9 (Paperback) ISBN-13: 9780262040617 ISBN-10: 0262040611 Genre: Engineering & Transportation ? 1981 - Humanscale 4/5/6 (Paperback) ISBN-13: 9780262040594 ISBN-10: 026204059X Genre: Engineering & Transportation ? |