Edward Witten,Parity Invariance For Strings In Twistor Space, pdf, ps
C.J. Isham, A New Approach to Quantising Systems: III. State Vectors as Functions on Arrows,pdf, ps
Ron Donagi, Sheldon Katz, and Eric Sharpe, Spectra of D-branes with Higgs vevs, pdf, ps
Michael T. Anderson, On the Structure of Asymptotically de Sitter and Anti-de Sitter Spaces, pdf, ps
Roberto Zucchini, Four Dimensional Abelian Duality and SL(2;Z) Action in Three Dimensional Conformal Field Theory, pdf, ps
