TY - BOOK AU - Atiyah,Sir Michael AU - Ellis,J.R. AU - Green,M.B. AU - Llewellyn-Smith,C.H. TI - Physics and Mathematics of Strings. Proceedings of a Royal Society Discussion Meeting, held on 8 and 9 December, 1988 SN - 0854033939 PY - 1989/// CY - London PB - The Royal Society ER -