edited by P. R. Stewart and D. S. Letham. edited by K. S. Fu and A. B. Whinston. edited by I. R. Hill and S. J. L. Wright. edited by J. W. S. Hearle and R. H. Peters. edited by J. S. Russell and E. L. Greacen. edited by G. Sumner and V.B. Livesey. edited by H. Sch鑟nfeld and A. De Weck. edited by M. Fierz and V. F. Weisskopf. edited by M. Singer and J. P. Schade. edited by S.B. Field and J.W. Hand.