Hardcover, ISBN 9780877032649 Apr 01, 1987. Hardcover. bound in illustrated buckram (no dust jacket, as issued) Ivan Bekey, Luciano Guerriero, Nasa, Aiaa, Peter M. Bainum, Peter M. Bainum (Editor), Paul Penzo (Editor), Giuseppe Colombo (Editor), Title is Tethers in Space: Proceedings (Advances in the Astronautical Sciences)