Equipotential Space Freedom in Architecture By Severino, Renato Books / Hardcover Architecture & Design › Architecture Publisher: Praeger Publishers, January 1970 Price $37.58 Free Shipping Send to a friend Collectible - Good First Edition With Dust Jacket First edition copy. Collectible - Good. Acceptable dust jacket. (architecture design building) $37.58 1 in Stock at Warehouse Quantity Add Free Shipping to continental U.S. OR $1.00 per item discount if shipped to store.