U-duality symmetries from the membrane world-volume
Nuclear Physics B Elsevier 502:1-2 (1997) 191-223
String and M-theory cosmological solutions with Ramond forms
Nuclear Physics B Elsevier 495:1-2 (1997) 365-399
Decoherence in Pre-Big-Bang Cosmology
Modern Physics Letters A World Scientific Publishing 12:09 (1997) 597-612
Cosmological solutions of type II string theory
Physics Letters B Elsevier 393:1-2 (1997) 65-71